Facts and Figures Population* 174 658 Retail purchasing power* 6 451 EUR/Einwohner/Jahr Labour market General Unemployment rate* 2,80 % Labour - total* 56 290 person employed Labour by job specification Labour - expert* 12 % Labour - specialist* 15 % Labour - skilled worker* 55 % Labour - helper* 18 % Gross salary by job specification Gross salary - expert* 6 586 €/month Gross salary - specialist* 5 004 €/month Gross salary - skilled worker* 3 629 €/month Gross salary - helper* 2 728 €/month Area information Types of use District area* 698,90 km² Industrial and commercial area* 734 ha Residential building area* 3199 ha Agricultural area* 220 ha Contact My|BusinessLocation Kundenservice Website