| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6 |
1.6%
|
|
| 2 | 1960-1994 | 357 |
94.4%
|
| 3 | apres 1994 | 14 |
3.7%
|
| 4 | avant 1960 | 1 |
0.3%
|
| Sysmiss | 53 |