Facts and Figures Population* 271 015 Retail purchasing power* 6 334 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,20 % Labour - total* 79 340 person employed Labour by job specification Labour - expert* 11 % Labour - specialist* 13 % Labour - skilled worker* 55 % Labour - helper* 21 % Gross salary by job specification Gross salary - expert* 6 047 €/month Gross salary - specialist* 4 912 €/month Gross salary - skilled worker* 3 637 €/month Gross salary - helper* 2 817 €/month Area information Types of use District area* 719,47 km² Industrial and commercial area* 926 ha Residential building area* 4222 ha Agricultural area* 41 ha Contact My|BusinessLocation Kundenservice Website