Facts and Figures Population* 147 497 Retail purchasing power* 6 059 EUR/Einwohner/Jahr Labour market General Unemployment rate* 2,20 % Labour - total* 39 940 person employed Labour by job specification Labour - expert* 7 % Labour - specialist* 12 % Labour - skilled worker* 63 % Labour - helper* 19 % Gross salary by job specification Gross salary - expert* 6 148 €/month Gross salary - specialist* 4 715 €/month Gross salary - skilled worker* 3 396 €/month Gross salary - helper* 3 036 €/month Area information Types of use District area* 1 167,81 km² Industrial and commercial area* 618 ha Residential building area* 3269 ha Agricultural area* 492 ha Contact My|BusinessLocation Kundenservice Website