Facts and Figures Population* 137 891 Retail purchasing power* 5 221 EUR/Einwohner/Jahr Labour market General Unemployment rate* 2,20 % Labour - total* 54 550 person employed Labour by job specification Labour - expert* 9 % Labour - specialist* 11 % Labour - skilled worker* 61 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 5 492 €/month Gross salary - specialist* 4 438 €/month Gross salary - skilled worker* 3 529 €/month Gross salary - helper* 2 799 €/month Area information Types of use District area* 981,79 km² Industrial and commercial area* 1364 ha Residential building area* 3654 ha Agricultural area* 109 ha Contact My|BusinessLocation Kundenservice Website