| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 0 |
0%
|
| 2 | Weekly | 1 |
14.3%
|
| 3 | Twice a month | 1 |
14.3%
|
| 4 | Monthly | 3 |
42.9%
|
| 5 | Less often | 2 |
28.6%
|
| 99 | Not specified | 0 |
0%
|
| Sysmiss | 3991 |