Facts and Figures Population* 171 143 Retail purchasing power* 6 565 EUR/Einwohner/Jahr Labour market General Unemployment rate* 2,20 % Labour - total* 57 050 person employed Labour by job specification Labour - expert* 11 % Labour - specialist* 14 % Labour - skilled worker* 57 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 6 166 €/month Gross salary - specialist* 4 824 €/month Gross salary - skilled worker* 3 735 €/month Gross salary - helper* 2 962 €/month Area information Types of use District area* 799,52 km² Industrial and commercial area* 654 ha Residential building area* 3285 ha Agricultural area* 291 ha Contact My|BusinessLocation Kundenservice Website