| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. never | 2343 |
53.7%
|
| 2 | 2. once or twice a year | 54 |
1.2%
|
| 3 | 3. about once a term | 262 |
6%
|
| 4 | 4. about once a month | 335 |
7.7%
|
| 5 | 5. about once a week | 902 |
20.7%
|
| 6 | 6. nearly every day | 237 |
5.4%
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. missing | 228 |
5.2%
|
| Sysmiss | 177 |