| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1979 | 1 |
3.3%
|
|
| 1988 | 1 |
3.3%
|
|
| 1993 | 1 |
3.3%
|
|
| 1997 | 2 |
6.7%
|
|
| 2000 | 3 |
10%
|
|
| 2001 | 1 |
3.3%
|
|
| 2002 | 5 |
16.7%
|
|
| 2003 | 5 |
16.7%
|
|
| 2004 | 10 |
33.3%
|
|
| 9998 | Refus | 1 |
3.3%
|
| Sysmiss | 2832 |