| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 640 |
53.4%
|
| 1 | Just once or twice | 121 |
10.1%
|
| 2 | Several times | 256 |
21.4%
|
| 3 | Many times | 101 |
8.4%
|
| 4 | Always | 77 |
6.4%
|
| 9 | Don't Know | 3 |
0.3%
|
| 98 | Refused | 0 |
0%
|