| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1953- | 560 |
19%
|
| 1 | 2003- | 608 |
20.7%
|
| 2 | 2006- | 426 |
14.5%
|
| 3 | 2007- | 0 |
0%
|
| 4 | 2007- | 1350 |
45.9%
|
| 5 | 2009- | 0 |
0%
|
| Sysmiss | 14240 |