Facts and Figures Population* 143 797 Retail purchasing power* 5 988 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,10 % Labour - total* 47 120 person employed Labour by job specification Labour - expert* 8 % Labour - specialist* 13 % Labour - skilled worker* 58 % Labour - helper* 19 % Gross salary by job specification Gross salary - expert* 5 791 €/month Gross salary - specialist* 4 809 €/month Gross salary - skilled worker* 3 786 €/month Gross salary - helper* 3 015 €/month Area information Types of use District area* 1 125,95 km² Industrial and commercial area* 925 ha Residential building area* 3777 ha Agricultural area* 183 ha Contact My|BusinessLocation Kundenservice Website