| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1993 | 1 |
1.5%
|
|
| 1995 | 2 |
3.1%
|
|
| 1996 | 6 |
9.2%
|
|
| 1997 | 2 |
3.1%
|
|
| 1998 | 3 |
4.6%
|
|
| 2000 | 4 |
6.2%
|
|
| 2001 | 6 |
9.2%
|
|
| 2002 | 13 |
20%
|
|
| 2003 | 10 |
15.4%
|
|
| 2004 | 13 |
20%
|
|
| 9999 | NSP | 5 |
7.7%
|
| Sysmiss | 2797 |