| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 700 |
29.2%
|
| 1 | Once or twice | 134 |
5.6%
|
| 2 | A few times | 157 |
6.5%
|
| 3 | Often | 159 |
6.6%
|
| 7 | Not applicable | 1249 |
52%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 1 |
0%
|