| Value | Category | Cases | |
|---|---|---|---|
| 1 | mining i | 20 | 
                                    
                                    26%
                                 | 
| 2 | el. powe | 3 | 
                                    
                                    3.9%
                                 | 
| 3 | fuel ind | 3 | 
                                    
                                    3.9%
                                 | 
| 4 | ferrous | 2 | 
                                    
                                    2.6%
                                 | 
| 5 | non-ferr | 5 | 
                                    
                                    6.5%
                                 | 
| 6 | chem. in | 3 | 
                                    
                                    3.9%
                                 | 
| 7 | petroche | 1 | 
                                    
                                    1.3%
                                 | 
| 8 | engineer | 13 | 
                                    
                                    16.9%
                                 | 
| 9 | forestry | 1 | 
                                    
                                    1.3%
                                 | 
| 10 | constr. | 2 | 
                                    
                                    2.6%
                                 | 
| 11 | light in | 12 | 
                                    
                                    15.6%
                                 | 
| 12 | food ind | 11 | 
                                    
                                    14.3%
                                 | 
| 13 | 1 | 
                                    
                                    1.3%
                                 | |
| Sysmiss | 58 |