| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 244 |
20.3%
|
| 1 | Once or twice | 29 |
2.4%
|
| 2 | A few times | 20 |
1.7%
|
| 3 | Often | 7 |
0.6%
|
| 7 | Not applicable | 900 |
75%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|