| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1482 |
66.8%
|
| 2 | Just once or twice | 251 |
11.3%
|
| 3 | Several times | 303 |
13.7%
|
| 4 | Many times | 126 |
5.7%
|
| 5 | Always | 20 |
0.9%
|
| 6 | DK | 37 |
1.7%
|
| Sysmiss | 45132 |