| Value | Category | Cases | |
|---|---|---|---|
| 2008 | 972 |
9.5%
|
|
| 2009 | 2143 |
20.9%
|
|
| 2010 | 2391 |
23.3%
|
|
| 2011 | 2432 |
23.7%
|
|
| 2012 | 2280 |
22.2%
|
|
| 2013 | 44 |
0.4%
|
|
| 9999 | Manquant | 0 |
0%
|
| Sysmiss | 4878 |