| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 593 |
49.6%
|
| 1 | Just once or twice | 177 |
14.8%
|
| 2 | Several times | 242 |
20.2%
|
| 3 | Many times | 135 |
11.3%
|
| 4 | Always | 42 |
3.5%
|
| 9 | Don't Know | 7 |
0.6%
|
| 998 | Refused | 0 |
0%
|