Facts and Figures Population* 317 085 Retail purchasing power* 6 799 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,60 % Labour - total* 98 370 person employed Labour by job specification Labour - expert* 11 % Labour - specialist* 13 % Labour - skilled worker* 57 % Labour - helper* 18 % Gross salary by job specification Gross salary - expert* 6 024 €/month Gross salary - specialist* 4 875 €/month Gross salary - skilled worker* 3 656 €/month Gross salary - helper* 2 806 €/month Area information Types of use District area* 664,25 km² Industrial and commercial area* 1006 ha Residential building area* 5951 ha Agricultural area* 11 ha Contact My|BusinessLocation Kundenservice Website