| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1908- | 247 |
19.2%
|
| 1 | 1952- | 266 |
20.6%
|
| 2 | 1963- | 246 |
19.1%
|
| 3 | 1971- | 259 |
20.1%
|
| 4 | 1979- | 271 |
21%
|
| 5 | 1997- | 0 |
0%
|
| Sysmiss | 426 |