| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 45 |
1.8%
|
| 2 | Daily | 182 |
7.3%
|
| 3 | Weekly | 64 |
2.6%
|
| 4 | Monthly | 2094 |
84.3%
|
| 5 | Less often than monthly | 98 |
3.9%
|
| Sysmiss | 6088 |