Facts and Figures Population* 253 373 Retail purchasing power* 5 859 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,40 % Labour - total* 95 960 person employed Labour by job specification Labour - expert* 10 % Labour - specialist* 13 % Labour - skilled worker* 57 % Labour - helper* 19 % Gross salary by job specification Gross salary - expert* 6 338 €/month Gross salary - specialist* 5 163 €/month Gross salary - skilled worker* 3 861 €/month Gross salary - helper* 3 002 €/month Area information Types of use District area* 1 066,30 km² Industrial and commercial area* 1368 ha Residential building area* 5398 ha Agricultural area* 91 ha Contact My|BusinessLocation Kundenservice Website