| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1981 | 1 |
2%
|
|
| 1986 | 1 |
2%
|
|
| 1989 | 3 |
6.1%
|
|
| 1992 | 2 |
4.1%
|
|
| 1993 | 5 |
10.2%
|
|
| 1994 | 3 |
6.1%
|
|
| 1995 | 1 |
2%
|
|
| 1996 | 1 |
2%
|
|
| 1998 | 2 |
4.1%
|
|
| 1999 | 5 |
10.2%
|
|
| 2000 | 4 |
8.2%
|
|
| 2001 | 5 |
10.2%
|
|
| 2002 | 5 |
10.2%
|
|
| 2003 | 2 |
4.1%
|
|
| 2004 | 9 |
18.4%
|
|
| Sysmiss | 5105 |