| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 8287 |
85.3%
|
| 2 | once or less than than once a month | 455 |
4.7%
|
| 3 | every other month | 247 |
2.5%
|
| 4 | every month | 224 |
2.3%
|
| 5 | every week | 267 |
2.7%
|
| 6 | everyday | 235 |
2.4%
|
| Sysmiss | 9564 |