| Value | Category | Cases | |
|---|---|---|---|
| 1992 | 3 |
21.4%
|
|
| 1999 | 2 |
14.3%
|
|
| 2005 | 2 |
14.3%
|
|
| 2007 | 3 |
21.4%
|
|
| 2008 | 1 |
7.1%
|
|
| 2010 | 1 |
7.1%
|
|
| 2011 | 1 |
7.1%
|
|
| 9998 | ne sait pas | 1 |
7.1%
|
| 9999 | manquant | 0 |
0%
|
| Sysmiss | 6650 |