| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 94 |
4.7%
|
| 2 | Weekly | 110 |
5.5%
|
| 3 | Monthly | 115 |
5.8%
|
| 4 | Less than monthly | 139 |
7%
|
| 5 | Never | 1492 |
74.8%
|
| Sysmiss | 45 |
2.3%
|