| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2008 | 193 |
12.3%
|
|
| 2009 | 258 |
16.4%
|
|
| 2010 | 295 |
18.8%
|
|
| 2011 | 411 |
26.1%
|
|
| 2012 | 416 |
26.4%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 1576 |