| Value | Category | Cases | |
|---|---|---|---|
| 1 | Complet assets of written accounts | 24 |
0.1%
|
| 2 | Only through informal records of orders, sales, purchases | 52 |
0.2%
|
| 3 | No record are kept | 180 |
0.7%
|
| Sysmiss | 26996 |