| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 120 |
10%
|
| 1 | Once or twice | 192 |
16%
|
| 2 | A few times | 221 |
18.4%
|
| 3 | Often | 164 |
13.7%
|
| 7 | Not applicable | 501 |
41.8%
|
| 8 | Refuse to answer | 1 |
0.1%
|
| 9 | Don't know | 1 |
0.1%
|