| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 1 |
12.5%
|
|
| 2011 | 1 |
12.5%
|
|
| 2012 | 5 |
62.5%
|
|
| 2013 | 1 |
12.5%
|
|
| Sysmiss | 42 |