| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 823 |
68.6%
|
| 1 | Just once or twice | 72 |
6%
|
| 2 | Several times | 186 |
15.5%
|
| 3 | Many times | 74 |
6.2%
|
| 4 | Always | 36 |
3%
|
| 9 | Don't Know | 9 |
0.8%
|
| 998 | Refused | 0 |
0%
|