Year % of GNI 1993 0.707533295894842 1994 0.721363833007041 1995 0.788458259093764 1996 0.834854200390378 1997 0.950008132150953 1998 1.01368076190241 1999 1.02097129716596 2000 1.00816154901935 2001 1.18326363103292 2002 1.14336861411447 2003 1.34925380463564 2004 1.42872567032395 2005 1.43933711225316 2006 1.3100084671189 2007 1.34959635270137 2008 1.19114594563206 2009 1.20983643047455 2010 1.02228717516926 2011 1.11558100800252 2012 1.17892381360047 2013 1.32052808419489 2014 1.3677200586321 2015 1.38775982309597 2016 1.57750933782664 2017 1.61685295481533 2018 1.61582456109377 2019 1.60161597891569 2020 1.73036299596896 2021 1.92343188157709