| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1930- | 1388 |
18.5%
|
| 1 | 1983- | 1605 |
21.4%
|
| 2 | 1994- | 1371 |
18.3%
|
| 3 | 2000- | 1554 |
20.7%
|
| 4 | 2004- | 1576 |
21%
|
| 5 | 2009- | 0 |
0%
|
| Sysmiss | 9690 |