| Value | Category | Cases | |
|---|---|---|---|
| -97 | NA | 0 |
0%
|
| -95 | Refuse | 0 |
0%
|
| 1 | Never | 1786 |
90.2%
|
| 2 | From time to time | 172 |
8.7%
|
| 3 | Often | 20 |
1%
|
| r | 2 |
0.1%
|
|
| Sysmiss | 755 |