| Value | Category | Cases | |
|---|---|---|---|
| 1 | Higher | 208 |
7.4%
|
| 2 | The same | 771 |
27.4%
|
| 3 | Less | 140 |
5%
|
| 4 | No revenue | 32 |
1.1%
|
| 99 | Refused | 12 |
0.4%
|
| Sysmiss | 1653 |
58.7%
|