| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 115 |
4.8%
|
| 1 | Once or twice | 59 |
2.5%
|
| 2 | A few times | 30 |
1.3%
|
| 3 | Often | 30 |
1.3%
|
| 7 | Not applicable | 2165 |
90.2%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 1 |
0%
|