| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 755 |
62.9%
|
| 1 | Once or twice | 164 |
13.7%
|
| 2 | A few times | 156 |
13%
|
| 3 | Often | 115 |
9.6%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 10 |
0.8%
|