| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1049 |
87.1%
|
| 1 | Just once or twice | 84 |
7%
|
| 2 | Several times | 42 |
3.5%
|
| 3 | Many times | 25 |
2.1%
|
| 4 | Always | 3 |
0.2%
|
| 9 | Don't Know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|