| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 3 |
0.8%
|
| 2 | Weekly | 45 |
12.3%
|
| 3 | Monthly | 29 |
7.9%
|
| 4 | Less than monthly | 71 |
19.3%
|
| 5 | Never | 219 |
59.7%
|
| Sysmiss | 187 |