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| Index to Form 10-Q                                                                                                                                                     | Page   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|
|                                                                                                                                                                                       |        |
| Part I - Financial Information                                                                                                                                    |   |
|    Item 1 - Financial Statements (Unaudited)                                                                                                  |   |
|       Balance Sheets - December 31, 2018 and June 30, 2019                                                 | 3      |
|       Statements of Income - Three and Six Months Ended on June 30, 2018 and 2019 | 4      |
|       Statements of Shareholder Equity - Six Months Ended on June 30, 2018 and 2019    | 4      |
|       Statements of Cash Flow - Six Months Ended on June 30, 2018 and 2019             | 5      |
|       Notes to Financial Statements                                                                                                      | 6      |
|    Item 2 - Management's Discussion and Analysis of Operating Results and                                            |   |
|       Financial Condition                                                                                                                          | 10     |
|    Item 3 - Quantitative and Qualitative Disclosures About Market Risk                                                    | 11     |
|    Item 4 - Controls and Procedures                                                                                                           | 11     |
| Part II - Other Information                                                                                                                                       |   |
|    Item 1 - Legal Proceedings                                                                                                                      | 11     |
|    Item 1A - Risk Factors                                                                                                                          | 12     |
|    Item 2 - Unregistered Sales of Equity Securities and Use of Proceeds                                         | 12     |
|    Item 3 - Defaults Upon Senior Securities                                                                                              | 12     |
|    Item 4 - Mine Safety Disclosures                                                                                                           | 12     |
|    Item 5 - Other Information                                                                                                                      | 12     |
|    Item 6 - Exhibits                                                                                                                                    | 12     |
| Signatures                                                                                                                                                                            | 12     |

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|                                                                      | Dec 31, 2018 | Jun 30, 2019 |
|---------------------------------------------------------------------------|------------------------|------------------------|
|                                                                      |                        |                        |
| Cash and equivalents                                            | $23,095,977            | $9,087,737             |
| Marketable securities                                                | 268,638,359            | 306,937,267            |
| Trade receivables, net of reserve                     | 36,760,812             | 35,076,571             |
| Contract assets, prepaid and other                    | 12,077,935             | 13,083,448             |
|                                                                      |                        |                        |
|   Current assets                                           | 340,573,083            | 364,185,023            |
|                                                                      |                   |                   |
| Computer equipment                                                   | 13,979,609             | 12,369,584             |
| Furniture and fixtures                                          | 92,804,040             | 91,567,476             |
| Buildings                                                                 | 240,288,774            | 240,230,574            |
| Land                                                                      | 40,959,230             | 33,717,577             |
| Accumulated depreciation                                             | (175,832,443)          | (176,912,496)          |
|                                                                      |                        |                        |
|   Fixed assets                                             | 212,199,210            | 200,972,715            |
|                                                                      |                   |                   |
| Other assets                                                         | 8,430,515              | 7,960,260              |
| Deferred tax assets                                             | 8,257,144              | 9,085,455              |
|                                                                      |                        |                        |
|   Total assets                                             | $569,459,952           | $582,203,453           |
|                                                                      |                        |                        |
|                                                                      |                   |                   |
| Accounts payable                                                     | $701,524               | $374,986               |
| Taxes payable                                                        | 1,825,528              | 2,293,588              |
| Accrued expenses                                                     | 23,916,832             | 22,897,440             |
| Deferred revenue                                                     | 52,666,651             | 49,722,867             |
|                                                                      |                        |                        |
|   Current liabilities                                      | 79,110,535             | 75,288,881             |
|                                                                      |                   |                   |
| Deferred tax liabilities                                        | 12,409,407             | 19,346,199             |
| Tax reserves                                                         | 17,039,282             | 15,858,424             |
|                                                                      |                        |                        |
|   Total liabilities                                        | 108,559,224            | 110,493,504            |
|                                                                      |                   |                   |
| Common stock, $1.00 par value, authorized        |                   |                   |
|   40,000,000 shares, issued and outstanding |                   |                   |
|   37,190,854 shares in 2018 and 2019   | 37,190,854             | 37,190,854             |
| Additional paid-in capital                                      | 122,907,959            | 122,907,959            |
| Retained income                                                      | 300,801,915            | 311,611,136            |
|                                                                      |                        |                        |
|   Shareholder equity                                       | 460,900,728            | 471,709,949            |
|                                                                      |                   |                   |
|   Total liabilities and shareholder equity  | $569,459,952           | $582,203,453           |
|                                                                      |                        |                        |

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|                                                      | 3 months          | ended on          | 6 months          | ended on          |
|-----------------------------------------------------------|------------------------|------------------------|------------------------|------------------------|
|                                                      | Jun 30, 2018 | Jun 30, 2019 | Jun 30, 2018 | Jun 30, 2019 |
|                                                      |                        |                        |                        |                        |
| Product revenue                                      | $44,449,399            | $37,590,999            | $86,367,219            | $70,496,478            |
| Service revenue                                      | 80,573,783             | 82,363,866             | 161,024,566            | 164,818,098            |
|                                                      |                        |                        |                        |                        |
|   Total revenue                            | 125,023,182            | 119,954,865            | 247,391,785            | 235,314,576            |
|                                                      |                        |                        |                        |                        |
| Operations, development                              | 83,449,544             | 83,137,671             | 167,418,065            | 167,709,065            |
| Selling, G & A                         | 23,575,093             | 21,738,523             | 46,201,480             | 41,919,882             |
|                                                      |                        |                        |                        |                        |
|   Operating expense                        | 107,024,637            | 104,876,194            | 213,619,545            | 209,628,947            |
|                                                      |                        |                        |                        |                        |
|   Operating income                         | 17,998,545             | 15,078,671             | 33,772,240             | 25,685,629             |
|                                                      |                        |                        |                        |                        |
| Other income                                         | 10,440,652             | 5,561,295              | 15,574,992             | 11,107,168             |
| Change in unrealized securities gains | 1,343,455              | 1,748,292              | (16,305,444)           | 30,321,710             |
| Other expense                                        | 1,715,977              | 1,670,183              | 3,588,893              | 3,471,530              |
|                                                      |                        |                        |                        |                        |
|   Pre-tax income                           | 28,066,675             | 20,718,075             | 29,452,895             | 63,642,977             |
|                                                      |                        |                        |                        |                        |
| State income tax                                | 278,000                | 716,000                | 37,000                 | 356,000                |
| Federal income tax                              | 3,662,000              | 3,687,000              | 2,467,000              | 10,824,000             |
|                                                      |                        |                        |                        |                        |
|   Income tax                               | 3,940,000              | 4,403,000              | 2,504,000              | 11,180,000             |
|                                                      |                        |                        |                        |                        |
|   Net income                               | $24,126,675            | $16,315,075            | $26,948,895            | $52,462,977            |
|                                                      |                        |                        |                        |                        |

|                                                                     | 6 months          | ended on          |
|--------------------------------------------------------------------------|------------------------|------------------------|
|                                                                     | Jun 30, 2018 | Jun 30, 2019 |
|                                                                     |                        |                        |
| Shareholder equity at beginning of period       | $496,928,250           | $460,900,728           |
| Net income                                                          | 26,948,895             | 52,462,977             |
| Dividends paid                                                      | (46,116,658)           | (41,653,756)           |
|                                                                     |                        |                        |
|   Shareholder equity at end of period | $477,760,486           | $471,709,949           |
|                                                                     |                        |                        |

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|                                                                            | 6 months          | ended on          |
|---------------------------------------------------------------------------------|------------------------|------------------------|
|                                                                            | Jun 30, 2018 | Jun 30, 2019 |
|                                                                            |                        |                        |
| Net income                                                                 | $26,948,895            | $52,462,977            |
| Depreciation and amortization expense                            | 7,484,601              | 7,098,394              |
| Loss (gain) on sale of marketable securities      | 199,924                | (1,578,402)            |
| Loss (gain) on sale of fixed assets               | (5,051,454)            | 532,297                |
| Change in unrealized securities gains                       | 16,305,444             | (30,321,710)           |
| Change in trade receivables, net of reserve       | (953,996)              | 1,684,241              |
| Change in contract assets, prepaid and other      | (18,585)               | (1,005,513)            |
| Change in deferred tax assets                               | 591,269                | (828,311)              |
| Change in accounts payable                                       | 35,225                 | (326,538)              |
| Change in taxes payable                                          | (2,006,804)            | 468,060                |
| Change in accrued expenses                                       | (305,086)              | (1,019,392)            |
| Change in deferred revenue                                       | (326,276)              | (2,943,784)            |
| Change in deferred tax liabilities                          | (4,384,673)            | 6,936,792              |
| Change in tax reserves                                           | (836,721)              | (1,180,858)            |
|                                                                            |                        |                        |
|   Net cash from operations                             | 37,681,763             | 29,978,253             |
|                                                                            |                        |                        |
| Purchases of marketable securities                               | (4,976,750)            | (26,585,470)           |
| Sales of marketable securities                                   | 18,837,843             | 20,186,674             |
| Purchases of fixed assets                                        | (7,594,923)            | (2,834,842)            |
| Sales of fixed assets                                            | 8,238,158              | 6,711,896              |
| Change in other assets                                           | 22,919                 | 189,005                |
|                                                                            |                        |                        |
|   Net cash from (used in) investing          | 14,527,247             | (2,332,737)            |
|                                                                            |                        |                        |
| Dividends paid                                                             | (46,116,658)           | (41,653,756)           |
|                                                                            |                        |                        |
|   Net cash used in financing                      | (46,116,658)           | (41,653,756)           |
|                                                                            |                        |                        |
| Net change in cash and equivalents                     | 6,092,352              | (14,008,240)           |
| Cash and equivalents at beginning of period       | 17,436,627             | 23,095,977             |
|                                                                            |                        |                        |
|   Cash and equivalents at end of period | $23,528,979            | $9,087,737             |
|                                                                            |                        |                        |

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|                                    | Dec 31, 2018 | Jun 30, 2019 |
|-----------------------------------------|------------------------|------------------------|
|                                    |                        |                        |
| Original cost                      | $217,169,354           | $226,464,210           |
| Unrealized pretax gains       | 62,156,967             | 83,246,838             |
| Unrealized pretax losses      | (10,687,962)           | (2,773,781)            |
|                                    |                        |                        |
|   Fair market value | $268,638,359           | $306,937,267           |

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| Year  | Cash Flow |
|-------|----------------|
|       |                |
| 2019  | 8,405,000      |
| 2020  | 7,662,000      |
| 2021  | 4,658,000      |
| 2022  | 3,152,000      |
| 2023  | 1,508,000      |
| After | 355,000        |

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| Building and Office Space, at cost        | $54,657,762  |
|--------------------------------------------------------------------|--------------|
| Lease Origination Costs                                  | 930,931      |
| Accumulated Depreciation                                      | (22,707,671) |
| Allowance for credit loss                           | 0            |
|                                                                    |              |
|   Net Investment in Operating Leases | $32,881,022  |

|                                    | 3 months          | ended on          | 6 months          | ended on          |
|-----------------------------------------|------------------------|------------------------|------------------------|------------------------|
|                                    | Jun 30, 2018 | Jun 30, 2019 | Jun 30, 2018 | Jun 30, 2019 |
|                                    |                        |                        |                        |                        |
| Net income                         | $24,126,675            | $16,315,075            | $26,948,895            | $52,462,977            |
| Average number of shares | 37,190,854             | 37,190,854             | 37,190,854             | 37,190,854             |
| Earnings per share            | $0.65                  | $0.44                  | $0.72                  | $1.41                  |

|               | 3 months          | ended on          | 6 months          | ended on          |
|--------------------|------------------------|------------------------|------------------------|------------------------|
|               | Jun 30, 2018 | Jun 30, 2019 | Jun 30, 2018 | Jun 30, 2019 |
|               |                        |                        |                        |                        |
| United States | 86%                    | 87%                    | 87%                    | 87%                    |
| Canada             | 12%                    | 11%                    | 11%                    | 11%                    |
| All others    | 2%                     | 2%                     | 2%                     | 2%                     |

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| Operating                               | 3 months          | ended on          | Percent |
|-----------------------------------------|------------------------|------------------------|---------|
| Results                                 | Jun 30, 2018 | Jun 30, 2019 | Change  |
|                                         |                        |                        |         |
| Total revenue                      | $125,023,182           | $119,954,865           | (4.1%)  |
| Operating income                   | 17,998,545             | 15,078,671             | (16.2%) |
| Net income                         | 24,126,675             | 16,315,075             | (32.4%) |
| Average number of shares | 37,190,854             | 37,190,854             | --      |
| Earnings per share            | $0.65                  | $0.44                  | (32.4%) |
| Cash dividends per share | $0.62                  | $0.56                  | (9.7%)  |

| Operating                               | 6 months          | ended on          | Percent |
|-----------------------------------------|------------------------|------------------------|---------|
| Results                                 | Jun 30, 2018 | Jun 30, 2019 | Change  |
|                                         |                        |                        |         |
| Total revenue                      | $247,391,785           | $235,314,576           | (4.9%)  |
| Operating income                   | 33,772,240             | 25,685,629             | (23.9%) |
| Net income                         | 26,948,895             | 52,462,977             | 94.7%   |
| Average number of shares | 37,190,854             | 37,190,854             | --      |
| Earnings per share            | $0.72                  | $1.41                  | 94.7%   |
| Cash dividends per share | $1.24                  | $1.12                  | (9.7%)  |

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| Financial Condition                    | Dec 31, 2018 | Jun 30, 2019 |
|---------------------------------------------|------------------------|------------------------|
|                                             |                        |                        |
| Working capital                        | $261,462,548           | $288,896,142           |
| Total assets                           | 569,459,952            | 582,203,453            |
| Total liabilities                      | 108,559,224            | 110,493,504            |
| Shareholder equity                     | 460,900,728            | 471,709,949            |
| Outstanding number of shares | 37,190,854             | 37,190,854             |
| Shareholder equity per share | $12.39                 | $12.68                 |

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