Facts and Figures Population* 177 227 Retail purchasing power* 6 142 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,90 % Labour - total* 43 930 person employed Labour by job specification Labour - expert* 13 % Labour - specialist* 13 % Labour - skilled worker* 56 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 5 637 €/month Gross salary - specialist* 4 837 €/month Gross salary - skilled worker* 3 545 €/month Gross salary - helper* 2 982 €/month Area information Types of use District area* 1 567,57 km² Industrial and commercial area* 834 ha Residential building area* 5509 ha Agricultural area* 90 ha Contact My|BusinessLocation Kundenservice Website