| Value | Category | Cases | |
|---|---|---|---|
| 1 | Complet assets of written accounts | 13 |
0.1%
|
| 2 | Only through informal records of orders, sales, purchases | 103 |
0.4%
|
| 3 | No record are kept | 110 |
0.4%
|
| Sysmiss | 25720 |