amsterdam least 1,320 underage dutch girls age 12 17 fall victim sexual exploitation netherlands year report human traffic publish wednesday show group make nearly half female traffic victims dutch sex industry corinne dettmeijer national rapporteur traffic human be sexual violence children say study dettmeijer say report contain first reliable statistics human traffic netherlands first kind europe concern decline case indicate few report 108-page report compile domestic unite nations figure 2012-2016. unite nations office drug crime cooperate report encourage countries produce similar data help create clear international picture scale crimes total number human traffic victims netherlands roughly five time high report figure indicate 6,250 case per year say mean many victims stay sight authorities support agencies roughly half 3,000 case sexual exploitation predominantly woman involve underage girls number high make statistics unique show us specific group fall prey human traffic national rapporteur corinne dettmeijer say interview expose blind spot report publish 2015 european commission say 30,000 victims human traffic 2010-2012 across eu member state around 1,000 child victims traffic sexual exploitation dettmeijer say know relatively high number women central eastern europe force sex industry number underage dutch girls surprise figure also remarkable number report case traffic fall sharply past five years nearly 1,300 2012 thousand last year concern fall number report case dettmeijer say mean increasingly large portion traffic humans go unreported least 1,300 dutch girls per year traffic exploit