| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
0.2%
|
|
| 203 | 1 |
0%
|
|
| 2011 | 3 |
0.1%
|
|
| 2012 | 423 |
15.7%
|
|
| 2013 | 2261 |
83.9%
|
|
| 2014 | 2 |
0.1%
|
|
| Sysmiss | 1809 |