| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 248 |
12.4%
|
| 2 | Weekly | 163 |
8.2%
|
| 3 | Monthly | 135 |
6.8%
|
| 4 | Less than monthly | 94 |
4.7%
|
| 5 | Never | 1268 |
63.6%
|
| Sysmiss | 87 |
4.4%
|