| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. never | 993 |
22.8%
|
| 2 | 2. once or twice a year | 58 |
1.3%
|
| 3 | 3. about once a term | 165 |
3.8%
|
| 4 | 4. about once a month | 261 |
6%
|
| 5 | 5. about once a week | 1598 |
36.6%
|
| 6 | 6. nearly every day | 1209 |
27.7%
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. missing | 77 |
1.8%
|
| Sysmiss | 177 |