| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 846 |
35.3%
|
| 1 | Just once or twice | 343 |
14.3%
|
| 2 | Several times | 545 |
22.7%
|
| 3 | Many times | 434 |
18.1%
|
| 4 | Always | 230 |
9.6%
|
| 9 | Don't Know | 2 |
0.1%
|
| 998 | Refused | 0 |
0%
|