| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1098 |
45.8%
|
| 1 | Just once or twice | 350 |
14.6%
|
| 2 | Several times | 484 |
20.2%
|
| 3 | Many times | 284 |
11.8%
|
| 4 | Always | 179 |
7.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 5 |
0.2%
|