| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 129 |
8.8%
|
| 2 | Weekly | 94 |
6.4%
|
| 3 | Monthly | 85 |
5.8%
|
| 4 | Less than monthly | 180 |
12.2%
|
| 5 | Never | 982 |
66.8%
|
| Sysmiss | 2224 |