Facts and Figures Population* 328 930 Retail purchasing power* 5 522 EUR/Einwohner/Jahr Labour market General Unemployment rate* 2,60 % Labour - total* 155 580 person employed Labour by job specification Labour - expert* 9 % Labour - specialist* 13 % Labour - skilled worker* 62 % Labour - helper* 16 % Gross salary by job specification Gross salary - expert* 5 848 €/month Gross salary - specialist* 4 639 €/month Gross salary - skilled worker* 3 564 €/month Gross salary - helper* 2 940 €/month Area information Types of use District area* 2 883,67 km² Industrial and commercial area* 4098 ha Residential building area* 9834 ha Agricultural area* 103 ha Contact My|BusinessLocation Kundenservice Website