| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1986 | 1 |
2.2%
|
|
| 1989 | 2 |
4.3%
|
|
| 1990 | 1 |
2.2%
|
|
| 1993 | 1 |
2.2%
|
|
| 1994 | 2 |
4.3%
|
|
| 1995 | 1 |
2.2%
|
|
| 1998 | 2 |
4.3%
|
|
| 1999 | 3 |
6.5%
|
|
| 2000 | 3 |
6.5%
|
|
| 2001 | 8 |
17.4%
|
|
| 2002 | 11 |
23.9%
|
|
| 2003 | 5 |
10.9%
|
|
| 2004 | 6 |
13%
|
|
| Sysmiss | 9501 |