Year % of GNI 1993 2.683301372727273 1994 10.519469795688785 1995 8.694122940539454 1996 18.71207853951062 1997 14.280044007221132 1998 26.85294197524875 1999 28.93886282238859 2000 22.548330615067687 2001 29.952060741256226 2002 10.437737451269067 2003 9.177275643485313 2004 8.86699090788108 2005 7.728316670551753 2006 9.369949194331397 2007 7.565217301586633 2008 2.1071732364588014 2009 5.563273587864485 2010 3.0242008934353155 2011 2.7443530287469344 2012 3.676518011066469 2013 4.009350996026087 2014 5.5296293405540125 2015 7.582443826011256 2016 18.657783817577137 2017 11.73563430090883 2018 12.610417552270988 2019 15.547186570976521 2020 15.778417409566995 2021 14.556311746284134 2022 9.018805057617149