Facts and Figures Population* 393 618 Retail purchasing power* 5 749 EUR/Einwohner/Jahr Labour market General Unemployment rate* 6,60 % Labour - total* 136 250 person employed Labour by job specification Labour - expert* 10 % Labour - specialist* 11 % Labour - skilled worker* 58 % Labour - helper* 21 % Gross salary by job specification Gross salary - expert* 5 988 €/month Gross salary - specialist* 4 671 €/month Gross salary - skilled worker* 3 683 €/month Gross salary - helper* 2 809 €/month Area information Types of use District area* 543,21 km² Industrial and commercial area* 1508 ha Residential building area* 5909 ha Agricultural area* 24 ha Contact My|BusinessLocation Kundenservice Website