Facts and Figures Population* 139 729 Retail purchasing power* 5 578 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,40 % Labour - total* 45 200 person employed Labour by job specification Labour - expert* 8 % Labour - specialist* 11 % Labour - skilled worker* 60 % Labour - helper* 20 % Gross salary by job specification Gross salary - expert* 5 578 €/month Gross salary - specialist* 4 336 €/month Gross salary - skilled worker* 3 496 €/month Gross salary - helper* 2 947 €/month Area information Types of use District area* 1 201,42 km² Industrial and commercial area* 648 ha Residential building area* 3251 ha Agricultural area* 16 ha Contact My|BusinessLocation Kundenservice Website