| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. never | 552 |
17.5%
|
| 2 | 2. once or twice a year | 16 |
0.5%
|
| 3 | 3. about once a term | 75 |
2.4%
|
| 4 | 4. about once a month | 90 |
2.9%
|
| 5 | 5. about once a week | 908 |
28.8%
|
| 6 | 6. nearly every day | 1513 |
48%
|
| Sysmiss | 1384 |