Facts and Figures Population* 225 383 Retail purchasing power* 4 941 EUR/Einwohner/Jahr Labour market General Unemployment rate* 8,60 % Labour - total* 71 460 person employed Labour by job specification Labour - expert* 10 % Labour - specialist* 11 % Labour - skilled worker* 62 % Labour - helper* 16 % Gross salary by job specification Gross salary - expert* 5 001 €/month Gross salary - specialist* 3 680 €/month Gross salary - skilled worker* 2 994 €/month Gross salary - helper* 2 484 €/month Area information Types of use District area* 3 215,73 km² Industrial and commercial area* 1358 ha Residential building area* 6703 ha Agricultural area* 136 ha Contact My|BusinessLocation Kundenservice Website