Facts and Figures Population* 171 237 Retail purchasing power* 6 155 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,30 % Labour - total* 55 600 person employed Labour by job specification Labour - expert* 9 % Labour - specialist* 12 % Labour - skilled worker* 60 % Labour - helper* 19 % Gross salary by job specification Gross salary - expert* 6 222 €/month Gross salary - specialist* 4 890 €/month Gross salary - skilled worker* 3 747 €/month Gross salary - helper* 3 016 €/month Area information Types of use District area* 1 131,15 km² Industrial and commercial area* 1019 ha Residential building area* 3668 ha Agricultural area* 265 ha Contact My|BusinessLocation Kundenservice Website