| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Never | 81 |
93.1%
|
| 2 | 2. Once or twice | 4 |
4.6%
|
| 3 | 3. Sometimes | 1 |
1.1%
|
| 4 | 4. Often | 0 |
0%
|
| 5 | 5. Very often | 0 |
0%
|
| 8 | 8. Refuse | 1 |
1.1%
|
| Sysmiss | 12 |