| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 839 |
62.1%
|
| 1 | Just once or twice | 86 |
6.4%
|
| 2 | Several times | 194 |
14.4%
|
| 3 | Many times | 154 |
11.4%
|
| 4 | Always | 76 |
5.6%
|
| 9 | Don't Know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|