| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1441 |
62%
|
| 1 | Just once or twice | 549 |
23.6%
|
| 2 | Several times | 248 |
10.7%
|
| 3 | Many times | 63 |
2.7%
|
| 4 | Always | 12 |
0.5%
|
| 9 | Don't Know | 11 |
0.5%
|
| 998 | Refused | 0 |
0%
|