Facts and Figures Population* 157 217 Retail purchasing power* 4 854 EUR/Einwohner/Jahr Labour market General Unemployment rate* 6,10 % Labour - total* 54 760 person employed Labour by job specification Labour - expert* 10 % Labour - specialist* 11 % Labour - skilled worker* 60 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 5 432 €/month Gross salary - specialist* 4 062 €/month Gross salary - skilled worker* 3 143 €/month Gross salary - helper* 2 629 €/month Area information Types of use District area* 1 461,47 km² Industrial and commercial area* 1616 ha Residential building area* 2984 ha Agricultural area* 764 ha Contact My|BusinessLocation Kundenservice Website