Facts and Figures Population* 613 599 Retail purchasing power* 5 527 EUR/Einwohner/Jahr Labour market General Unemployment rate* 7,70 % Labour - total* 183 430 person employed Labour by job specification Labour - expert* 11 % Labour - specialist* 12 % Labour - skilled worker* 58 % Labour - helper* 19 % Gross salary by job specification Gross salary - expert* 5 997 €/month Gross salary - specialist* 4 708 €/month Gross salary - skilled worker* 3 702 €/month Gross salary - helper* 2 732 €/month Area information Types of use District area* 761,31 km² Industrial and commercial area* 2466 ha Residential building area* 7987 ha Agricultural area* 53 ha Contact My|BusinessLocation Kundenservice Website