| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 95 |
10.6%
|
| 1 | occasionally | 273 |
30.4%
|
| 2 | once a year | 40 |
4.5%
|
| 3 | sev times a year | 187 |
20.8%
|
| 4 | once/twi a month | 105 |
11.7%
|
| 5 | once a week | 67 |
7.5%
|
| 6 | sev times a week | 26 |
2.9%
|
| Sysmiss | 105 |
11.7%
|