| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1449 |
60.4%
|
| 1 | Just once or twice | 307 |
12.8%
|
| 2 | Several times | 326 |
13.6%
|
| 3 | Many times | 188 |
7.8%
|
| 4 | Always | 108 |
4.5%
|
| 9 | Don't Know | 22 |
0.9%
|
| 998 | Refused | 0 |
0%
|