| Value | Category | Cases | |
|---|---|---|---|
| 1960 | [1960,1980) | 6 |
0.3%
|
| 1980 | [1980,1990) | 61 |
2.9%
|
| 1990 | [1990,2000) | 410 |
19.5%
|
| 2000 | [2000,2010) | 1278 |
60.7%
|
| 2010 | [2010,2020) | 351 |
16.7%
|
| Sysmiss | 3967 |