| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 920 |
76.7%
|
| 1 | Once or twice | 128 |
10.7%
|
| 2 | A few times | 96 |
8%
|
| 3 | Often | 44 |
3.7%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 12 |
1%
|