| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 511 |
42.6%
|
| 1 | Once or twice | 352 |
29.3%
|
| 2 | A few times | 209 |
17.4%
|
| 3 | Often | 123 |
10.3%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 4 |
0.3%
|