| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 4 |
0.3%
|
| 1 | Daily | 22 |
1.4%
|
| 2 | Weekly | 75 |
4.7%
|
| 3 | Twice amonth | 96 |
6%
|
| 4 | Monthly | 74 |
4.6%
|
| 5 | More than monthly | 1321 |
83%
|
| Sysmiss | 2408 |