| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2010 | 3 |
15%
|
|
| 2011 | 5 |
25%
|
|
| 2012 | 1 |
5%
|
|
| 2013 | 4 |
20%
|
|
| 2014 | 7 |
35%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 6428 |