| Value | Category | Cases | |
|---|---|---|---|
| -95 | Refused | 0 |
0%
|
| 0 | Never | 497 |
74.4%
|
| 1 | Once | 70 |
10.5%
|
| 2 | From time to time | 64 |
9.6%
|
| 3 | Often | 24 |
3.6%
|
| r | 13 |
1.9%
|
|
| Sysmiss | 2067 |