| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Higher than usual | 28 |
4.4%
|
| 2 | 2.The same as usual | 145 |
22.9%
|
| 3 | 3.Less than usual | 219 |
34.6%
|
| 4 | 4.No income/stop | 229 |
36.2%
|
| 9 | 9.MISSING | 12 |
1.9%
|
| Sysmiss | 3738 |