Facts and Figures Population* 313 586 Retail purchasing power* 5 498 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,70 % Labour - total* 108 720 person employed Labour by job specification Labour - expert* 9 % Labour - specialist* 12 % Labour - skilled worker* 56 % Labour - helper* 23 % Gross salary by job specification Gross salary - expert* 5 654 €/month Gross salary - specialist* 4 520 €/month Gross salary - skilled worker* 3 565 €/month Gross salary - helper* 2 707 €/month Area information Types of use District area* 1 232,99 km² Industrial and commercial area* 1004 ha Residential building area* 5933 ha Agricultural area* 133 ha Contact My|BusinessLocation Kundenservice Website