| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 5 |
0%
|
|
| 2016 | 856 |
4.7%
|
|
| 2017 | 1301 |
7.1%
|
|
| 2018 | 1743 |
9.5%
|
|
| 2019 | 105 |
0.6%
|
|
| 9999 | NO RESPONSE | 2 |
0%
|
| Sysmiss | 14300 |
78.1%
|