| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 772 |
64.3%
|
| 1 | Just once or twice | 215 |
17.9%
|
| 2 | Several times | 111 |
9.3%
|
| 3 | Many times | 50 |
4.2%
|
| 4 | Always | 48 |
4%
|
| 9 | Don't Know | 4 |
0.3%
|
| 998 | Refused | 0 |
0%
|