| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 173 |
8.6%
|
| 1 | once a year or less | 63 |
3.1%
|
| 2 | once every several months | 113 |
5.6%
|
| 3 | about once a month | 118 |
5.9%
|
| 4 | about once a week | 647 |
32.3%
|
| 5 | more frequently than once a week | 889 |
44.4%
|
| Sysmiss | 1 |