| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 869 |
36.2%
|
| 1 | Once or twice | 336 |
14%
|
| 2 | A few times | 304 |
12.7%
|
| 3 | Often | 211 |
8.8%
|
| 7 | Not applicable | 674 |
28.1%
|
| 8 | Refuse to answer | 0 |
0%
|
| 9 | Don't know | 6 |
0.3%
|