| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1190 |
49.6%
|
| 1 | Just once or twice | 330 |
13.8%
|
| 2 | Several times | 435 |
18.1%
|
| 3 | Many times | 308 |
12.8%
|
| 4 | Always | 130 |
5.4%
|
| 9 | Don't Know | 7 |
0.3%
|
| 998 | Refused | 0 |
0%
|