| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2005 | 59 |
3.1%
|
|
| 2006 | 668 |
35.4%
|
|
| 2007 | 728 |
38.6%
|
|
| 2008 | 354 |
18.8%
|
|
| 2009 | 52 |
2.8%
|
|
| 2010 | 26 |
1.4%
|
|
| 9997 | inconsistent | 1 |
0.1%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 15199 |