| 1 | A | B | C |
| --- | --- | --- | --- |
| 2 | distribution of length of gaps in canchec after removing non-residential postal codes |  |  |
| 3 | length of gap in years | distribution |  |
| 4 |  | number | percent |
| 5 | 1 | 972,655 | 40.0 |
| 6 | 2 | 360,670 | 14.8 |
| 7 | 3 | 204,310 | 8.4 |
| 8 | 4 | 145,625 | 6.0 |
| 9 | 5 | 125,000 | 5.1 |
| 10 | 6 | 111,065 | 4.6 |
| 11 | 7 | 74,300 | 3.1 |
| 12 | 8 | 44,515 | 1.8 |
| 13 | 9 | 42,860 | 1.8 |
| 14 | 10 | 39,975 | 1.6 |
| 15 | 11 | 34,040 | 1.4 |
| 16 | 12 | 35,225 | 1.4 |
| 17 | 13 | 33,810 | 1.4 |
| 18 | 14 | 32,710 | 1.3 |
| 19 | 15 | 32,600 | 1.3 |
| 20 | 16 | 31,335 | 1.3 |
| 21 | 17 | 29,220 | 1.2 |
| 22 | 18 | 27,670 | 1.1 |
| 23 | 19 | 26,265 | 1.1 |
| 24 | 20 | 19,780 | 0.8 |
| 25 | 21 | 7,815 | 0.3 |
| 26 | 22 | 220 | 0.0 |
| 27 | 23 | 115 | 0.0 |
| 28 | 24 | 75 | 0.0 |
| 29 | 25 | 80 | 0.0 |
| 30 | 26 | 50 | 0.0 |
| 31 | 27 | 25 | 0.0 |
| 32 | total | 2,431,995 | 100.0 |

Question: how many postal code were missing?
Answer: 2431995

Question: what percent of gaps were one or two years long?
Answer: 54.8