| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 1 |
0.6%
|
|
| 2012 | 5 |
2.8%
|
|
| 2013 | 20 |
11.2%
|
|
| 2014 | 152 |
85.4%
|
|
| Sysmiss | 2386 |