"All figures in €'000";"Dec. 31, 2017";"Dec. 31, 2016" ;; "Trade accounts receivable";72,414;69,145 "Refund receivables from recourse claims";19,012;16,991 "Receivables from commercial agents";9,969;11,850 "Receivables from underwriting business";13,616;14,188 "Advance payments";5,126;5,362 "Purchase price receivables";-;330 "Other assets";11,037;11,353 "Total, gross";131,174;129,217 Impairment;-5,432;-6,441 "Total, net";125,741;122,776 ;;