Facts and Figures Population* 141 682 Retail purchasing power* 6 753 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,20 % Labour - total* 68 820 person employed Labour by job specification Labour - expert* 10 % Labour - specialist* 16 % Labour - skilled worker* 55 % Labour - helper* 18 % Gross salary by job specification Gross salary - expert* 6 716 €/month Gross salary - specialist* 5 611 €/month Gross salary - skilled worker* 4 000 €/month Gross salary - helper* 3 114 €/month Area information Types of use District area* 734,38 km² Industrial and commercial area* 1235 ha Residential building area* 2911 ha Agricultural area* 136 ha Contact My|BusinessLocation Kundenservice Website