| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | Never | 663 |
55.3%
|
| 1 | Just once or twice | 166 |
13.8%
|
| 2 | Several times | 207 |
17.3%
|
| 3 | Many times | 66 |
5.5%
|
| 4 | Always | 86 |
7.2%
|
| 9 | Don't Know | 9 |
0.8%
|
| 98 | Refused | 0 |
0%
|