| Value | Category | Cases | |
|---|---|---|---|
| 1 | Complet assets of written accounts | 539 |
2.1%
|
| 2 | Only through informal records of orders, sales, purchases | 1022 |
3.9%
|
| 3 | No record are kept | 1449 |
5.6%
|
| Sysmiss | 22936 |