| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 157 |
13.1%
|
| 1 | Just once or twice | 66 |
5.5%
|
| 2 | Several times | 380 |
31.7%
|
| 3 | Many times | 516 |
43%
|
| 4 | Always | 81 |
6.8%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|