| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 148 |
12.3%
|
| 1 | Once or twice | 172 |
14.3%
|
| 2 | A few times | 214 |
17.8%
|
| 3 | Often | 161 |
13.4%
|
| 7 | Not applicable | 501 |
41.8%
|
| 8 | Refuse to answer | 0 |
0%
|
| 9 | Don't know | 4 |
0.3%
|