Facts and Figures Population* 331 917 Retail purchasing power* 4 861 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,10 % Labour - total* 108 430 person employed Labour by job specification Labour - expert* 9 % Labour - specialist* 12 % Labour - skilled worker* 64 % Labour - helper* 15 % Gross salary by job specification Gross salary - expert* 5 151 €/month Gross salary - specialist* 3 652 €/month Gross salary - skilled worker* 2 872 €/month Gross salary - helper* 2 463 €/month Area information Types of use District area* 1 827,91 km² Industrial and commercial area* 1945 ha Residential building area* 8630 ha Agricultural area* n.a. Contact My|BusinessLocation Kundenservice Website