Table:
|  |  | Years Ended December 31, |  |
| --- | --- | --- | --- |
| Net Sales | 2019 | 2018 | 2017 |
| United States | $279,904 | $313,489 | $287,092 |
| Singapore | 32,957 | 6,724 | 5,596 |
| Taiwan | 19,810 | 20,802 | 18,586 |
| China | 87,342 | 79,380 | 66,510 |
| Czech Republic | 33,214 | 36,528 | 34,476 |
| Other non-U.S. | 15,772 | 13,560 | 10,733 |
| Consolidated net sales | $468,999 | $470,483 | $422,993 |
Paragraphs:
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (in thousands, except for share and per share data)
NOTE 20 — Geographic Data
Financial information relating to our operations by geographic area were as follows:
Sales are attributed to countries based upon the origin of the sale.
Question:
Which years does the table provide information relating to the company's operations by geographic area?
Answer: 2019, 2018, 2017