| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 68 |
2.1%
|
|
| 2011 | 434 |
13.1%
|
|
| 2012 | 614 |
18.6%
|
|
| 2013 | 847 |
25.6%
|
|
| 2014 | 1003 |
30.3%
|
|
| 2015 | 340 |
10.3%
|
|
| 9999 | No Response | 0 |
0%
|
| Sysmiss | 3078 |