Facts and Figures Population* 172 632 Retail purchasing power* 5 275 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,80 % Labour - total* 74 490 person employed Labour by job specification Labour - expert* 7 % Labour - specialist* 10 % Labour - skilled worker* 61 % Labour - helper* 21 % Gross salary by job specification Gross salary - expert* 5 471 €/month Gross salary - specialist* 4 328 €/month Gross salary - skilled worker* 3 334 €/month Gross salary - helper* 2 794 €/month Area information Types of use District area* 1 420,34 km² Industrial and commercial area* 1696 ha Residential building area* 5062 ha Agricultural area* 47 ha Contact My|BusinessLocation Kundenservice Website