| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | Never | 460 |
38.4%
|
| 1 | Just once or twice | 316 |
26.4%
|
| 2 | Many times | 311 |
26%
|
| 3 | Always | 100 |
8.4%
|
| 9 | Don't Know | 8 |
0.7%
|
| 998 | Refused | 0 |
0%
|