Facts and Figures Population* 184 235 Retail purchasing power* 5 793 EUR/Einwohner/Jahr Labour market General Unemployment rate* 5,10 % Labour - total* 63 270 person employed Labour by job specification Labour - expert* 13 % Labour - specialist* 12 % Labour - skilled worker* 58 % Labour - helper* 16 % Gross salary by job specification Gross salary - expert* 5 648 €/month Gross salary - specialist* 4 486 €/month Gross salary - skilled worker* 3 527 €/month Gross salary - helper* 2 795 €/month Area information Types of use District area* 1 327,83 km² Industrial and commercial area* 762 ha Residential building area* 5087 ha Agricultural area* 85 ha Contact My|BusinessLocation Kundenservice Website