Facts and Figures Population* 452 001 Retail purchasing power* 6 903 EUR/Einwohner/Jahr Labour market General Unemployment rate* 5,10 % Labour - total* 161 450 person employed Labour by job specification Labour - expert* 12 % Labour - specialist* 14 % Labour - skilled worker* 56 % Labour - helper* 18 % Gross salary by job specification Gross salary - expert* 6 717 €/month Gross salary - specialist* 5 150 €/month Gross salary - skilled worker* 3 885 €/month Gross salary - helper* 2 905 €/month Area information Types of use District area* 576,42 km² Industrial and commercial area* 1578 ha Residential building area* 5626 ha Agricultural area* 33 ha Contact My|BusinessLocation Kundenservice Website