| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 639 |
53.3%
|
| 1 | Just once or twice | 136 |
11.3%
|
| 2 | Several times | 173 |
14.4%
|
| 3 | Many times | 100 |
8.3%
|
| 4 | Always | 151 |
12.6%
|
| 9 | Don't Know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|