| Value | Category | Cases | |
|---|---|---|---|
| 1 | Complet assets of written accounts | 1796 |
1.5%
|
| 2 | Only through informal records of orders, sales, purchases | 1793 |
1.5%
|
| 3 | No record are kept | 9476 |
8.2%
|
| Sysmiss | 103137 |