| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1991 | 1 |
3.1%
|
|
| 1992 | 1 |
3.1%
|
|
| 1993 | 1 |
3.1%
|
|
| 1994 | 3 |
9.4%
|
|
| 1996 | 1 |
3.1%
|
|
| 1997 | 1 |
3.1%
|
|
| 1998 | 4 |
12.5%
|
|
| 1999 | 1 |
3.1%
|
|
| 2000 | 2 |
6.3%
|
|
| 2001 | 4 |
12.5%
|
|
| 2002 | 3 |
9.4%
|
|
| 2003 | 5 |
15.6%
|
|
| 2004 | 4 |
12.5%
|
|
| 9998 | Refus | 1 |
3.1%
|
| Sysmiss | 2830 |