| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2005 | 151 |
3.4%
|
|
| 2006 | 858 |
19.2%
|
|
| 2007 | 945 |
21.2%
|
|
| 2008 | 988 |
22.1%
|
|
| 2009 | 890 |
20%
|
|
| 2010 | 629 |
14.1%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 9963 |