| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2008 | 35 |
62.5%
|
|
| 2009 | 15 |
26.8%
|
|
| 2010 | 6 |
10.7%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 5273 |