| Value | Category | Cases | |
|---|---|---|---|
| 1 | Complete set of written accounts | 38 |
7.9%
|
| 2 | Simplified written accounts | 73 |
15.2%
|
| 3 | Only through informal records of orders, sales, purchases | 68 |
14.2%
|
| 4 | No records are kept. | 301 |
62.7%
|
| Sysmiss | 4094 |