| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 627 |
52.3%
|
| 1 | Just once or twice | 226 |
18.8%
|
| 2 | Several times | 231 |
19.3%
|
| 3 | Many times | 103 |
8.6%
|
| 4 | Always | 12 |
1%
|
| 9 | Don't Know | 0 |
0%
|