| Value | Category | Cases | |
|---|---|---|---|
| 1 | Complet assets of written accounts | 2179 |
2.1%
|
| 2 | Only through informal records of orders, sales, purchases | 3669 |
3.5%
|
| 3 | No record are kept | 6066 |
5.7%
|
| Sysmiss | 93672 |