| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1958- | 511 |
16.3%
|
| 1 | 2000- | 527 |
16.8%
|
| 2 | 2003- | 638 |
20.4%
|
| 3 | 2005- | 501 |
16%
|
| 4 | 2006- | 958 |
30.6%
|
| 5 | 2009- | 0 |
0%
|
| Sysmiss | 14049 |