Facts and Figures Population* 297 701 Retail purchasing power* 6 513 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,10 % Labour - total* 81 180 person employed Labour by job specification Labour - expert* 12 % Labour - specialist* 13 % Labour - skilled worker* 54 % Labour - helper* 20 % Gross salary by job specification Gross salary - expert* 6 179 €/month Gross salary - specialist* 4 757 €/month Gross salary - skilled worker* 3 679 €/month Gross salary - helper* 2 793 €/month Area information Types of use District area* 658,64 km² Industrial and commercial area* 864 ha Residential building area* 4337 ha Agricultural area* 71 ha Contact My|BusinessLocation Kundenservice Website