Facts and Figures Population* 286 876 Retail purchasing power* 6 149 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,40 % Labour - total* 107 180 person employed Labour by job specification Labour - expert* 14 % Labour - specialist* 14 % Labour - skilled worker* 54 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 5 960 €/month Gross salary - specialist* 4 863 €/month Gross salary - skilled worker* 3 875 €/month Gross salary - helper* 2 962 €/month Area information Types of use District area* 817,98 km² Industrial and commercial area* 1226 ha Residential building area* 4004 ha Agricultural area* 170 ha Contact My|BusinessLocation Kundenservice Website