| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 144 |
1.7%
|
| 2 | Daily | 4310 |
50.8%
|
| 3 | Weekly | 1851 |
21.8%
|
| 4 | Monthly | 1531 |
18.1%
|
| 5 | Less often than monthly | 643 |
7.6%
|
| Sysmiss | 92 |