Facts and Figures Population* 323 900 Retail purchasing power* 5 611 EUR/Einwohner/Jahr Labour market General Unemployment rate* 5,10 % Labour - total* 134 700 person employed Labour by job specification Labour - expert* 15 % Labour - specialist* 12 % Labour - skilled worker* 56 % Labour - helper* 15 % Gross salary by job specification Gross salary - expert* 5 948 €/month Gross salary - specialist* 4 666 €/month Gross salary - skilled worker* 3 688 €/month Gross salary - helper* 2 835 €/month Area information Types of use District area* 1 755,41 km² Industrial and commercial area* 1355 ha Residential building area* 6904 ha Agricultural area* 34 ha Contact My|BusinessLocation Kundenservice Website