| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 650 |
54.2%
|
| 1 | Just once or twice | 61 |
5.1%
|
| 2 | Several times | 201 |
16.8%
|
| 3 | Many times | 141 |
11.8%
|
| 4 | Always | 143 |
11.9%
|
| 9 | Don't Know | 4 |
0.3%
|
| 998 | Refused | 0 |
0%
|