| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2009 | 17 |
0.9%
|
|
| 2010 | 249 |
12.6%
|
|
| 2011 | 284 |
14.4%
|
|
| 2012 | 386 |
19.5%
|
|
| 2013 | 500 |
25.3%
|
|
| 2014 | 542 |
27.4%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 4470 |