| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 93 |
9%
|
|
| 2011 | 231 |
22.4%
|
|
| 2012 | 162 |
15.7%
|
|
| 2013 | 211 |
20.5%
|
|
| 2014 | 197 |
19.1%
|
|
| 2015 | 107 |
10.4%
|
|
| 2016 | 28 |
2.7%
|
|
| Sysmiss | 11848 |