| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1975 | 1 |
2.8%
|
|
| 1991 | 1 |
2.8%
|
|
| 1992 | 1 |
2.8%
|
|
| 1996 | 2 |
5.6%
|
|
| 1997 | 1 |
2.8%
|
|
| 1999 | 2 |
5.6%
|
|
| 2000 | 1 |
2.8%
|
|
| 2001 | 1 |
2.8%
|
|
| 2002 | 1 |
2.8%
|
|
| 2003 | 2 |
5.6%
|
|
| 2004 | 2 |
5.6%
|
|
| 2005 | 5 |
13.9%
|
|
| 2006 | 2 |
5.6%
|
|
| 2007 | 3 |
8.3%
|
|
| 2008 | 5 |
13.9%
|
|
| 2009 | 4 |
11.1%
|
|
| 9998 | Refuse de répondre | 2 |
5.6%
|
| Sysmiss | 15734 |