| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2016 | 32 |
78%
|
| 2 | 2017 | 4 |
9.8%
|
| 3 | 2018 | 3 |
7.3%
|
| 4 | 2019 | 2 |
4.9%
|
| d | Don't know | 0 |
0%
|
| o | Other | 0 |
0%
|
| r | Refused to answer | 0 |
0%
|
| Sysmiss | 1462 |