| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 78 |
7%
|
| 1 | Once or twice | 118 |
10.5%
|
| 2 | A few times | 132 |
11.8%
|
| 3 | Often | 235 |
21%
|
| 7 | Not applicable | 555 |
49.6%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 1 |
0.1%
|