| Valeur | Modalité | Cas | |
|---|---|---|---|
| 1994 | 1 |
0%
|
|
| 1996 | 2 |
0%
|
|
| 1998 | 2 |
0%
|
|
| 2000 | 1 |
0%
|
|
| Sysmiss | 9541 |