| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1995 | 2 | 3 |
0.2%
|
|
| 1996 | 193 | 192 |
12.7%
|
|
| 1997 | 245 | 247 |
16.3%
|
|
| 1998 | 281 | 269 |
17.8%
|
|
| 1999 | 328 | 325 |
21.5%
|
|
| 2000 | 464 | 462 |
30.6%
|
|
| 9997 | Manquante | 11 | 14 |
0.9%
|
| Sysmiss | 1630 | 1642 |