| Value | Category | Cases | |
|---|---|---|---|
| 1 | Often | 3856 |
4.4%
|
| 2 | Sometimes | 11065 |
12.5%
|
| 3 | Rarely | 15480 |
17.5%
|
| 4 | Never | 57841 |
65.5%
|
| -5 | DE:Inapplicable; HT: Dropped out survey; Unknown | 58 | |
| -4 | Not asked in survey | 0 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 643 | |
| -1 | Don't know | 622 |