| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1596 |
97.1%
|
| 2 | Daily | 9 |
0.5%
|
| 3 | Weekly | 5 |
0.3%
|
| 4 | Monthly | 16 |
1%
|
| 5 | Less often than monthly | 18 |
1.1%
|
| Sysmiss | 10836 |