The UK National Crime Agency estimates 3,309 potential victims of human trafficking came into contact with the State or an NGO in 2014. The latest government statistics derived from the UK National Referral Mechanism in 2014 reveal 2,340 potential victims of trafficking from 96 countries of origin, of whom 61 percent were female and 29 percent were children. Of those identified through the NRM, the majority were adults classified as victims of sexual exploitation followed by adults exploited in the domestic service sector and other types of labour exploitation. The largest proportion of victims was from Albania, followed by Nigeria, Vietnam, Romania and Slovakia.  Crystal was trafficked to the UK from Trinidad into a situation of domestic servitude leaving four children in the West Indies. She endured an abusive marriage and was vulnerable to coercion and grooming. Crystal was trafficked for four years, sold to three families and worked at least 18 hours-a-day.