| Value | Category | Cases | |
|---|---|---|---|
| -9 | (-9) Refused | 0 |
0%
|
| -8 | (-8) Don't know | 76 |
2.7%
|
| 2013 | 84 |
2.9%
|
|
| 2014 | 44 |
1.5%
|
|
| 2015 | 50 |
1.7%
|
|
| 2016 | 89 |
3.1%
|
|
| 2017 | 114 |
4%
|
|
| 2018 | 267 |
9.3%
|
|
| 2019 | 415 |
14.5%
|
|
| 2020 | 882 |
30.8%
|
|
| 2021 | 845 |
29.5%
|
|
| Sysmiss | 19396 |