| Value | Category | Cases | |
|---|---|---|---|
| 2008 | 23 |
0.4%
|
|
| 2009 | 702 |
10.9%
|
|
| 2010 | 1820 |
28.2%
|
|
| 2011 | 1940 |
30.1%
|
|
| 2012 | 1919 |
29.8%
|
|
| 2013 | 44 |
0.7%
|
|
| 9999 | Manquant | 0 |
0%
|
| Sysmiss | 8692 |