| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1020 |
42.5%
|
| 1 | Just once or twice | 444 |
18.5%
|
| 2 | Several times | 436 |
18.2%
|
| 3 | Many times | 335 |
14%
|
| 4 | Always | 164 |
6.8%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don't Know | 0 |
0%
|