| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 6 |
1.3%
|
|
| 2013 | 407 |
91.5%
|
|
| 2014 | 27 |
6.1%
|
|
| 2015 | 1 |
0.2%
|
|
| 2016 | 1 |
0.2%
|
|
| 2017 | 1 |
0.2%
|
|
| 2018 | 1 |
0.2%
|
|
| 2019 | 1 |
0.2%
|
|
| Sysmiss | 3691 |