| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 521 |
43.5%
|
| 1 | Just once or twice | 82 |
6.8%
|
| 2 | Several times | 224 |
18.7%
|
| 3 | Many times | 193 |
16.1%
|
| 4 | Always | 177 |
14.8%
|
| 9 | Don't Know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|