| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 71 |
6.4%
|
| 2 | Weekly | 68 |
6.1%
|
| 3 | Monthly | 97 |
8.7%
|
| 4 | Less than monthly | 117 |
10.5%
|
| 5 | Never | 763 |
68.4%
|
| Sysmiss | 2954 |