| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 900 |
75%
|
| 1 | Once or twice | 115 |
9.6%
|
| 2 | A few times | 105 |
8.8%
|
| 3 | Often | 77 |
6.4%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 3 |
0.3%
|