Year % of GNI 1990 0.882896603719206 1991 0.906754002447314 1992 1.13304369975185 1993 1.13907158363373 1994 1.18984445495384 1995 1.16623295015596 1996 1.13776405979719 1997 1.30439611808275 1998 1.51294103126545 1999 1.6049228195643 2000 0.776281463709047 2001 0.77273459812464 2002 0.739053811733837 2003 0.855963486823122 2004 0.845689435095291 2005 0.84884865504892 2006 0.919473689046228 2007 0.85423989799059 2008 0.69092902751736 2009 0.774748259874047 2010 0.810501257996554 2011 0.647117185581028 2012 0.780924110262282 2013 0.787614949084955 2014 0.832289570291714 2015 0.906713083886852 2016 0.921005694563965 2017 0.857344898082948 2018 0.862552294433755 2019 0.915433685833631 2020 0.937390699756058 2021 0.925777832163036