| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 518 |
41%
|
| 1 | Just once or twice | 299 |
23.7%
|
| 2 | Several times | 292 |
23.1%
|
| 3 | Many times | 87 |
6.9%
|
| 4 | Always | 61 |
4.8%
|
| 9 | Don't Know | 5 |
0.4%
|
| 998 | Refused | 0 |
0%
|
| Sysmiss | 2 |