 "The CIA World Factbook" also states that "remittances are the primary source of foreign exchange, equalling one-fifth (20%) of GDP and representing more than five times the earnings from exports in 2012".The World Bank estimates that over 80% of college graduates from Haiti were living abroad in 2004.Occasionally, families who unable to care for a child may send him/her to live with a wealthier family as a "restavek", or house servant.