| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 664 |
55.3%
|
| 1 | Just once or twice | 183 |
15.3%
|
| 2 | Several times | 191 |
15.9%
|
| 3 | Many times | 74 |
6.2%
|
| 4 | Always | 81 |
6.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 7 |
0.6%
|