| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2009 | 96 |
2.3%
|
|
| 2010 | 1047 |
24.9%
|
|
| 2011 | 1036 |
24.6%
|
|
| 2012 | 894 |
21.2%
|
|
| 2013 | 658 |
15.6%
|
|
| 2014 | 480 |
11.4%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 2237 |