| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 728 |
60.7%
|
| 1 | Just once or twice | 191 |
15.9%
|
| 2 | Several times | 168 |
14%
|
| 3 | Many times | 87 |
7.3%
|
| 4 | Always | 25 |
2.1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|