| Value | Category | Cases | |
|---|---|---|---|
| -888 | Other specify | 0 |
0%
|
| 1 | Daily | 4 |
3.6%
|
| 2 | Once a week | 38 |
34.5%
|
| 3 | Twice a month | 18 |
16.4%
|
| 4 | Monthly | 25 |
22.7%
|
| 5 | As necessary | 25 |
22.7%
|
| Sysmiss | 11 |