| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1989 | 1 |
1.2%
|
|
| 1990 | 1 |
1.2%
|
|
| 1991 | 1 |
1.2%
|
|
| 1993 | 1 |
1.2%
|
|
| 1994 | 2 |
2.3%
|
|
| 1995 | 2 |
2.3%
|
|
| 1997 | 3 |
3.5%
|
|
| 1998 | 4 |
4.7%
|
|
| 2000 | 7 |
8.1%
|
|
| 2001 | 5 |
5.8%
|
|
| 2002 | 13 |
15.1%
|
|
| 2003 | 12 |
14%
|
|
| 2004 | 34 |
39.5%
|
|
| Sysmiss | 5068 |