Facts and Figures Population* 271 699 Retail purchasing power* 6 011 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,90 % Labour - total* 106 780 person employed Labour by job specification Labour - expert* 12 % Labour - specialist* 15 % Labour - skilled worker* 55 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 5 893 €/month Gross salary - specialist* 4 863 €/month Gross salary - skilled worker* 3 753 €/month Gross salary - helper* 2 854 €/month Area information Types of use District area* 918,85 km² Industrial and commercial area* 1161 ha Residential building area* 6021 ha Agricultural area* 121 ha Contact My|BusinessLocation Kundenservice Website