| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 629 |
52.6%
|
| 1 | Just once or twice | 160 |
13.4%
|
| 2 | Several times | 174 |
14.5%
|
| 3 | Many times | 146 |
12.2%
|
| 4 | Always | 83 |
6.9%
|
| 9 | Don't Know | 4 |
0.3%
|
| 998 | Refused | 0 |
0%
|