|   Industries  |       Aa  |       Industries  |       Bb  |    
|   Business  |       0.0961  |       Business  |       0.0819  |    
|   Electric power, steam and hot water production and supply  |       0.0664  |       Electric power, steam and hot water production and supply  |       0.0600  |    
|   Freightage and storage  |       0.0498  |       Social services  |       0.0587  |    
|   Finance and insurance  |       0.0364  |       Finance and insurance  |       0.0410  |    
|   Social services  |       0.0342  |       Freightage and storage  |       0.0400  |    
|   Postal service  |       0.0180  |       Construction  |       0.0244  |    
|   Catering industry  |       0.0145  |       Postal service  |       0.0207  |    
|   Construction  |       0.0068  |       Passenger transportation  |       0.0174  |    
|   Polytechnical services  |       0.0068  |       Catering industry  |       0.0174  |    
|   Real estate  |       0.0054  |       Real estate  |       0.0105  |    
|   Passenger transportation  |       0.0044  |       Tap water production and supply  |       0.0084  |    
|   Tap water production and supply  |       0.0035  |       Education, culture, art as well as Broadcasting, movie and television  |       0.0081  |    
|   Education, culture and art as well as Broadcasting, movie and television  |       0.0032  |       Polytechnical services  |       0.0080  |    
|   Hygienism, sports and social welfare  |       0.0011  |       Gas production and supply  |       0.0040  |    
|   Scientific research  |       0.0008  |       Scientific research  |       0.0018  |    
|   Gas production and supply  |       0.0007  |       Hygienism, sports and social welfare  |       0.0015  |    
|   Business  |       0.0961  |       Business  |       0.0819  |