Facts and Figures Population* 228 842 Retail purchasing power* 6 467 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,00 % Labour - total* 78 810 person employed Labour by job specification Labour - expert* 11 % Labour - specialist* 15 % Labour - skilled worker* 56 % Labour - helper* 18 % Gross salary by job specification Gross salary - expert* 6 651 €/month Gross salary - specialist* 5 423 €/month Gross salary - skilled worker* 3 916 €/month Gross salary - helper* 3 033 €/month Area information Types of use District area* 806,66 km² Industrial and commercial area* 928 ha Residential building area* 3392 ha Agricultural area* 156 ha Contact My|BusinessLocation Kundenservice Website