| Value | Category | Cases | |
|---|---|---|---|
| -888 | Other: specify | 2 |
1.6%
|
| 1 | Daily | 0 |
0%
|
| 2 | Once a week | 7 |
5.5%
|
| 3 | Twice a month | 19 |
14.8%
|
| 4 | Monthly | 95 |
74.2%
|
| 5 | As necessary | 5 |
3.9%
|
| Sysmiss | 3 |