| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2008 | 25 |
49%
|
|
| 2009 | 18 |
35.3%
|
|
| 2010 | 8 |
15.7%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 5278 |