| Value | Category | Cases | |
|---|---|---|---|
| 1 | complete bookkeeping (balance sheet and operating statement | 22 |
0.6%
|
| 2 | simplified legal accounts | 175 |
4.9%
|
| 3 | only through informal records of orders, sales, purchases | 163 |
4.6%
|
| 4 | no written records are kept | 3192 |
89.7%
|
| 90 | others | 7 |
0.2%
|
| Sysmiss | 19122 |