| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 420 |
35%
|
| 1 | Just once or twice | 277 |
23.1%
|
| 2 | Several times | 253 |
21.1%
|
| 3 | Many times | 161 |
13.4%
|
| 4 | Always | 89 |
7.4%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|