| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 528 |
14.9%
|
|
| 2015 | 756 |
21.3%
|
|
| 2016 | 776 |
21.9%
|
|
| 2017 | 713 |
20.1%
|
|
| 2018 | 609 |
17.2%
|
|
| 2019 | 105 |
3%
|
|
| 9999 | NO RESPONSE | 2 |
0.1%
|
| Sysmiss | 55 |
1.6%
|