Facts and Figures Population* 166 862 Retail purchasing power* 6 204 EUR/Einwohner/Jahr Labour market General Unemployment rate* 2,60 % Labour - total* 58 210 person employed Labour by job specification Labour - expert* 11 % Labour - specialist* 15 % Labour - skilled worker* 55 % Labour - helper* 19 % Gross salary by job specification Gross salary - expert* 6 446 €/month Gross salary - specialist* 5 069 €/month Gross salary - skilled worker* 3 813 €/month Gross salary - helper* 3 110 €/month Area information Types of use District area* 679,80 km² Industrial and commercial area* 810 ha Residential building area* 2342 ha Agricultural area* 75 ha Contact My|BusinessLocation Kundenservice Website