Facts and Figures Population* 232 091 Retail purchasing power* 6 399 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,10 % Labour - total* 90 140 person employed Labour by job specification Labour - expert* 10 % Labour - specialist* 14 % Labour - skilled worker* 56 % Labour - helper* 19 % Gross salary by job specification Gross salary - expert* 6 992 €/month Gross salary - specialist* 5 654 €/month Gross salary - skilled worker* 4 184 €/month Gross salary - helper* 3 259 €/month Area information Types of use District area* 738,43 km² Industrial and commercial area* 1545 ha Residential building area* 3623 ha Agricultural area* 62 ha Contact My|BusinessLocation Kundenservice Website