| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | Never | 1322 |
55.1%
|
| 1 | Just once or twice | 389 |
16.2%
|
| 2 | Several times | 437 |
18.2%
|
| 3 | Many times | 179 |
7.5%
|
| 4 | Always | 54 |
2.3%
|
| 9 | Don't Know | 18 |
0.8%
|
| 98 | Refused | 0 |
0%
|