| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, income tax return only | 353 |
9.5%
|
| 2 | Yes, present balance sheet by unofficial records | 216 |
5.8%
|
| 3 | No, not any | 3138 |
84.7%
|
| Sysmiss | 26900 |