| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1882 |
79.6%
|
| 1 | Just once or twice | 294 |
12.4%
|
| 2 | Several times | 111 |
4.7%
|
| 3 | Many times | 54 |
2.3%
|
| 4 | Always | 21 |
0.9%
|
| 9 | Don't Know | 1 |
0%
|
| 998 | Refused | 0 |
0%
|