Facts and Figures Population* 356 542 Retail purchasing power* 6 880 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,30 % Labour - total* 137 410 person employed Labour by job specification Labour - expert* 15 % Labour - specialist* 17 % Labour - skilled worker* 50 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 6 667 €/month Gross salary - specialist* 5 444 €/month Gross salary - skilled worker* 3 799 €/month Gross salary - helper* 2 762 €/month Area information Types of use District area* 356,24 km² Industrial and commercial area* 1055 ha Residential building area* 3743 ha Agricultural area* 34 ha Contact My|BusinessLocation Kundenservice Website