| Value | Category | Cases | |
|---|---|---|---|
| 2007 | 1 |
0%
|
|
| 2012 | 1 |
0%
|
|
| 2013 | 2604 |
83.4%
|
|
| 2014 | 515 |
16.5%
|
|
| Sysmiss | 98 |