| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2005 | 14 |
0.2%
|
|
| 2006 | 853 |
10.6%
|
|
| 2007 | 1361 |
16.9%
|
|
| 2008 | 1790 |
22.2%
|
|
| 2009 | 2153 |
26.7%
|
|
| 2010 | 1888 |
23.4%
|
|
| 9997 | Inconsistent | 3 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 48116 |