| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1978 | 1 |
2.2%
|
|
| 1980 | 1 |
2.2%
|
|
| 1985 | 1 |
2.2%
|
|
| 1986 | 2 |
4.3%
|
|
| 1988 | 1 |
2.2%
|
|
| 1993 | 2 |
4.3%
|
|
| 1994 | 2 |
4.3%
|
|
| 1995 | 6 |
13%
|
|
| 1996 | 7 |
15.2%
|
|
| 1997 | 3 |
6.5%
|
|
| 1998 | 3 |
6.5%
|
|
| 1999 | 4 |
8.7%
|
|
| 2000 | 5 |
10.9%
|
|
| 2001 | 1 |
2.2%
|
|
| 2002 | 4 |
8.7%
|
|
| 2004 | 3 |
6.5%
|
|
| Sysmiss | 9337 |