| Value | Category | Cases | |
|---|---|---|---|
| 0 | 125 |
59.5%
|
|
| 2010 | 1 |
0.5%
|
|
| 2011 | 1 |
0.5%
|
|
| 2012 | 2 |
1%
|
|
| 2013 | 76 |
36.2%
|
|
| 2014 | 5 |
2.4%
|
|
| Sysmiss | 690 |