| Value | Category | Cases | |
|---|---|---|---|
| -888 | Other specify | 0 |
0%
|
| 1 | Daily | 0 |
0%
|
| 2 | Once a week | 6 |
12.2%
|
| 3 | Twice a month | 2 |
4.1%
|
| 4 | Monthly | 34 |
69.4%
|
| 5 | As necessary | 7 |
14.3%
|
| Sysmiss | 72 |