| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 0 |
0%
|
| 2 | Weekly | 0 |
0%
|
| 3 | Twice a month | 0 |
0%
|
| 4 | Monthly | 15 |
41.7%
|
| 5 | Less often | 21 |
58.3%
|
| 99 | Not specified | 0 |
0%
|
| Sysmiss | 3962 |