| Value | Category | Cases | |
|---|---|---|---|
| 1 | Higher | 9 |
4.3%
|
| 2 | The same | 30 |
14.2%
|
| 3 | Less | 144 |
68.2%
|
| 4 | No revenue | 27 |
12.8%
|
| 98 | Dont know | 0 |
0%
|
| 99 | Refuse to answer | 1 |
0.5%
|
| Sysmiss | 1545 |