Facts and Figures Population* 237 281 Retail purchasing power* 8 563 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,00 % Labour - total* 102 370 person employed Labour by job specification Labour - expert* 28 % Labour - specialist* 17 % Labour - skilled worker* 43 % Labour - helper* 13 % Gross salary by job specification Gross salary - expert* 6 678 €/month Gross salary - specialist* 5 800 €/month Gross salary - skilled worker* 4 060 €/month Gross salary - helper* 2 953 €/month Area information Types of use District area* 481,84 km² Industrial and commercial area* 355 ha Residential building area* 3435 ha Agricultural area* 30 ha Contact My|BusinessLocation Kundenservice Website