| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, income tax return only | 307 |
8.2%
|
| 2 | Yes, present balance sheet by unofficial records | 203 |
5.4%
|
| 3 | No, not any | 3216 |
86.3%
|
| Sysmiss | 39938 |