Facts and Figures Population* 556 631 Retail purchasing power* 5 754 EUR/Einwohner/Jahr Labour market General Unemployment rate* 7,00 % Labour - total* 227 260 person employed Labour by job specification Labour - expert* 20 % Labour - specialist* 13 % Labour - skilled worker* 52 % Labour - helper* 15 % Gross salary by job specification Gross salary - expert* 5 668 €/month Gross salary - specialist* 4 926 €/month Gross salary - skilled worker* 3 745 €/month Gross salary - helper* 2 833 €/month Area information Types of use District area* 706,91 km² Industrial and commercial area* 1136 ha Residential building area* 7143 ha Agricultural area* 77 ha Contact My|BusinessLocation Kundenservice Website