| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1990 | 2 |
4.3%
|
|
| 1992 | 1 |
2.1%
|
|
| 1993 | 1 |
2.1%
|
|
| 1994 | 1 |
2.1%
|
|
| 1995 | 2 |
4.3%
|
|
| 1997 | 2 |
4.3%
|
|
| 1998 | 3 |
6.4%
|
|
| 2000 | 3 |
6.4%
|
|
| 2001 | 1 |
2.1%
|
|
| 2002 | 3 |
6.4%
|
|
| 2003 | 8 |
17%
|
|
| 2004 | 20 |
42.6%
|
|
| Sysmiss | 2815 |