| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 392 |
19.6%
|
| 1 | less than once a month | 114 |
5.7%
|
| 2 | about once a month | 90 |
4.5%
|
| 3 | about once a week | 257 |
12.8%
|
| 4 | several times a week | 301 |
15%
|
| 5 | every day | 849 |
42.4%
|
| Sysmiss | 1 |