Facts and Figures Population* 301 016 Retail purchasing power* 5 881 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,90 % Labour - total* 115 680 person employed Labour by job specification Labour - expert* 12 % Labour - specialist* 14 % Labour - skilled worker* 57 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 6 865 €/month Gross salary - specialist* 4 788 €/month Gross salary - skilled worker* 3 679 €/month Gross salary - helper* 2 870 €/month Area information Types of use District area* 1 328,64 km² Industrial and commercial area* 1480 ha Residential building area* 5841 ha Agricultural area* 14 ha Contact My|BusinessLocation Kundenservice Website