| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 508 |
42.3%
|
| 1 | Just once or twice | 86 |
7.2%
|
| 2 | Several times | 345 |
28.8%
|
| 3 | Many times | 185 |
15.4%
|
| 4 | Always | 74 |
6.2%
|
| 9 | Don't Know | 2 |
0.2%
|
| 998 | Refused | 0 |
0%
|