Year % of GNI 1992 1.22685194899443 1993 1.22715135529938 1994 1.34623504174744 1995 1.33284314329902 1996 1.24889628828735 1997 1.17207945511309 1998 1.12226476853219 1999 1.0363387331505 2000 1.00672193789147 2001 0.976265219371175 2002 0.934671852528818 2003 0.889842501361316 2004 0.82213292198056 2005 0.799277572494359 2006 0.753197714533684 2007 0.678052363021433 2008 0.626139586401505 2009 0.612341137085574 2010 0.597078444771353 2011 0.590013796344235 2012 0.591353208066819 2013 0.581986937808135 2014 0.582005347882159 2015 0.576841613278885 2016 0.582779616851518 2017 0.565103884009819 2018 0.544284053712319 2019 0.54008956588774 2020 0.546303706868585 2021 0.507033513307251