| Value | Category |
|---|---|
| 1 | delivery of goods |
| 2 | provision of other services |
| 3 | rental oof buildings |
| 4 | rental of machinery and transport equipment |
| 5 | commissions |
| 6 | royalties,copyrights |
| 7 | storage and handling fees |
| 8 | inspection and valuation fees |
| 9 | sale of scrap |
| 10 | profit of sales and fixed assets |
| 11 | other |