Facts and Figures Population* 533 617 Retail purchasing power* 7 160 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,40 % Labour - total* 223 800 person employed Labour by job specification Labour - expert* 15 % Labour - specialist* 18 % Labour - skilled worker* 51 % Labour - helper* 15 % Gross salary by job specification Gross salary - expert* 6 993 €/month Gross salary - specialist* 5 870 €/month Gross salary - skilled worker* 4 098 €/month Gross salary - helper* 3 093 €/month Area information Types of use District area* 641,28 km² Industrial and commercial area* 1727 ha Residential building area* 5889 ha Agricultural area* 121 ha Contact My|BusinessLocation Kundenservice Website