| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 433 |
18%
|
| 1 | Once or twice | 423 |
17.6%
|
| 2 | A few times | 333 |
13.9%
|
| 3 | Often | 266 |
11.1%
|
| 7 | Not applicable | 931 |
38.8%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don't Know | 13 |
0.5%
|