Year % of GNI 1993 0.12643929672492035 1994 2.9678600246792746 1995 1.6883624908079269 1996 2.295715562727549 1997 2.5469008029071887 1998 2.82617908247955 1999 7.304249396092469 2000 6.774525487434989 2001 6.724977083709286 2002 6.893697022358787 2003 5.445979249839863 2004 4.674638823406925 2005 3.6978992437784783 2006 2.9390833292802907 2007 2.598014683543731 2008 2.157960409638443 2009 2.1552419402083896 2010 2.0947411645044056 2011 1.865561854114594 2012 1.5492671276675565 2013 1.862728690790384 2014 1.9006853832669108 2015 2.1987330826360547 2016 1.6427716200611064 2017 1.3808295010612037 2018 1.4016964714846263 2019 1.1623606951945291 2020 2.3772436654855076 2021 2.526692406143769 2022 1.708546399827691