| Value | Category | Cases | |
|---|---|---|---|
| 2007 | 10 |
0.1%
|
|
| 2008 | 1069 |
14.6%
|
|
| 2009 | 1511 |
20.7%
|
|
| 2010 | 1638 |
22.4%
|
|
| 2011 | 1586 |
21.7%
|
|
| 2012 | 1455 |
19.9%
|
|
| 2013 | 29 |
0.4%
|
|
| 9999 | Manquant | 0 |
0%
|
| Sysmiss | 7842 |