| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2008 | 1 |
10%
|
|
| 2010 | 3 |
30%
|
|
| 2011 | 2 |
20%
|
|
| 2012 | 4 |
40%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 4472 |