| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 2 |
0.6%
|
| 1 | Daily | 17 |
5.2%
|
| 2 | Weekly | 59 |
17.9%
|
| 3 | Twice amonth | 36 |
10.9%
|
| 4 | Monthly | 46 |
13.9%
|
| 5 | More than monthly | 170 |
51.5%
|
| Sysmiss | 3670 |