| Value | Category | Cases | |
|---|---|---|---|
| 1960 | [1960,1980) | 55 |
2.5%
|
| 1980 | [1980,1990) | 168 |
7.7%
|
| 1990 | [1990,2000) | 311 |
14.2%
|
| 2000 | [2000,2010) | 784 |
35.8%
|
| 2010 | [2010,2020) | 871 |
39.8%
|
| Sysmiss | 4775 |