| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 673 |
53.4%
|
| 1 | Just once or twice | 239 |
19%
|
| 2 | Several times | 271 |
21.5%
|
| 3 | Many times | 47 |
3.7%
|
| 4 | Always | 28 |
2.2%
|
| 9 | Don't Know | 2 |
0.2%
|
| 998 | Refused | 0 |
0%
|
| Sysmiss | 4 |