"Figure 2: Referrals to the National Referral Mechanism have increased for all exploitation types","" "Number of referrals to the National Referral Mechanism by exploitation type, UK, year ending December 2010 to year ending December 2018","" "","" "Notes","1. Data from the National Referral Mechanism (NRM) are not designated as National Statistics. 2. The data were taken from the NRM system on 12 July 2019. 3. Recent changes in the categorisation of exploitation types mean that the exploitation types presented here will not align with categories in future publications. " "Unit","Number of referrals" "","" "","Domestic servitude","Labour exploitation","Sexual exploitation","Organ harvesting","Unknown exploitation" "Dec-10","116","222","288","0","84" "Dec-11","161","332","397","2","53" "Dec-12","163","373","480","1","165" "Dec-13","187","640","732","0","187" "Dec-14","311","810","840","2","375" "Dec-15","438","1255","1113","5","451" "Dec-16","432","1606","1324","1","441" "Dec-17","481","2387","1741","3","526" "Dec-18","509","3990","1926","6","554"