| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 622 |
51.8%
|
| 1 | Once or twice | 127 |
10.6%
|
| 2 | A few times | 144 |
12%
|
| 3 | Often | 307 |
25.6%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|