| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1680 |
70.3%
|
| 1 | Just once or twice | 296 |
12.4%
|
| 2 | Several times | 201 |
8.4%
|
| 3 | Many times | 135 |
5.6%
|
| 4 | Always | 78 |
3.3%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|