| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. never | 340 |
10.8%
|
| 2 | 2. once or twice a year | 33 |
1%
|
| 3 | 3. about once a term | 53 |
1.7%
|
| 4 | 4. about once a month | 155 |
4.9%
|
| 5 | 5. about once a week | 1424 |
45.3%
|
| 6 | 6. nearly every day | 1139 |
36.2%
|
| Sysmiss | 1394 |