| Value | Category | Cases | |
|---|---|---|---|
| 2007 | 15 |
0.1%
|
|
| 2008 | 2013 |
16.5%
|
|
| 2009 | 2356 |
19.3%
|
|
| 2010 | 2629 |
21.5%
|
|
| 2011 | 2559 |
21%
|
|
| 2012 | 2582 |
21.2%
|
|
| 2013 | 53 |
0.4%
|
|
| 9999 | Manquant | 0 |
0%
|
| Sysmiss | 2933 |