| Value | Category | Cases | |
|---|---|---|---|
| 1960 | [1960,1980) | 16 |
1.9%
|
| 1980 | [1980,1990) | 33 |
3.9%
|
| 1990 | [1990,2000) | 42 |
5%
|
| 2000 | [2000,2010) | 349 |
41.5%
|
| 2010 | [2010,2020) | 400 |
47.6%
|
| Sysmiss | 1110 |