| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1904- | 11 |
8.4%
|
| 1 | 1953- | 7 |
5.3%
|
| 2 | 1960- | 19 |
14.5%
|
| 3 | 1964- | 14 |
10.7%
|
| 4 | 1970- | 13 |
9.9%
|
| 5 | 1980- | 14 |
10.7%
|
| 6 | 1992- | 11 |
8.4%
|
| 7 | 2000- | 10 |
7.6%
|
| 8 | 2004- | 14 |
10.7%
|
| 9 | 2006- | 18 |
13.7%
|
| 10 | 2009- | 0 |
0%
|
| Sysmiss | 3639 |