| Value | Category | 
|---|---|
| 0 | |
| 1 | Delivery of goods sold | 
| 2 | Provision of other services | 
| 3 | Rental of buildings | 
| 4 | Rental of machinery and transport equipment | 
| 5 | Commisions | 
| 6 | Royalties, copyright etc belonging to the enterprise | 
| 7 | Storage and handling fees | 
| 8 | Inspection and valuation fees | 
| 9 | Sale of scraps | 
| 10 | Profit on sale of fixed assets | 
| 11 | Other | 
| Sysmiss |