| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 215 |
17.9%
|
| 1 | Once or twice | 12 |
1%
|
| 2 | A few times | 8 |
0.7%
|
| 3 | Often | 12 |
1%
|
| 7 | Not applicable | 953 |
79.4%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|