| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1988 | 1 |
3.3%
|
|
| 1989 | 4 |
13.3%
|
|
| 1990 | 2 |
6.7%
|
|
| 1991 | 5 |
16.7%
|
|
| 1992 | 3 |
10%
|
|
| 1993 | 1 |
3.3%
|
|
| 1994 | 1 |
3.3%
|
|
| 1995 | 1 |
3.3%
|
|
| 1996 | 4 |
13.3%
|
|
| 1998 | 1 |
3.3%
|
|
| 1999 | 3 |
10%
|
|
| 2000 | 2 |
6.7%
|
|
| 2001 | 1 |
3.3%
|
|
| 2002 | 1 |
3.3%
|
|
| Sysmiss | 17629 |