Facts and Figures Population* 427 286 Retail purchasing power* 6 802 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,60 % Labour - total* 154 570 person employed Labour by job specification Labour - expert* 12 % Labour - specialist* 16 % Labour - skilled worker* 54 % Labour - helper* 16 % Gross salary by job specification Gross salary - expert* 6 608 €/month Gross salary - specialist* 5 282 €/month Gross salary - skilled worker* 3 931 €/month Gross salary - helper* 2 971 €/month Area information Types of use District area* 858,08 km² Industrial and commercial area* 1445 ha Residential building area* 5247 ha Agricultural area* 238 ha Contact My|BusinessLocation Kundenservice Website