| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2005 | 36 |
0.4%
|
|
| 2006 | 988 |
11.8%
|
|
| 2007 | 1421 |
16.9%
|
|
| 2008 | 1854 |
22.1%
|
|
| 2009 | 2218 |
26.4%
|
|
| 2010 | 1884 |
22.4%
|
|
| 9997 | Inconsistent | 2 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 47775 |