| Value | Category | Cases | |
|---|---|---|---|
| 1 | Complet assets of written accounts | 17 |
0.1%
|
| 2 | Only through informal records of orders, sales, purchases | 19 |
0.1%
|
| 3 | No record are kept | 175 |
0.6%
|
| Sysmiss | 29272 |