Year % of GNI 1995 9.83689042262803 1996 9.99750501483374 1997 11.0713809334883 1998 11.2331672206418 1999 11.0482872904869 2000 9.69639507931162 2001 10.5423088248366 2002 10.9105176204756 2003 10.7610547054527 2004 11.1153874661127 2005 11.7462501893311 2006 13.9461360359619 2007 14.8687901218117 2008 13.4901561215994 2009 7.25583022865052 2010 6.19255780445523 2011 5.70148843732871 2012 3.44890417463626 2013 4.46865394844026 2014 7.31949577285505 2015 5.91889969283626 2016 6.44504089798427 2017 10.4862972772854 2018 12.1029527116275 2019 11.8606352447502 2020 11.6573932768854 2021 11.2728084669076