Year % of GNI 1990 0.360328423968186 1991 0.761342513952561 1992 0.758626309043602 1993 0.902788299269857 1994 0.858596690625668 1995 0.96591827130146 1996 1.18674848117263 1997 0.980445235543852 1998 1.11472234724034 1999 1.08346517217473 2000 0.919393780257496 2001 0.967801843485124 2002 0.943174705580815 2003 0.925604285364748 2004 0.959887687455241 2005 0.947987014361649 2006 0.900539814997143 2007 0.715861672252076 2008 0.674433787238345 2009 0.74677065163956 2010 0.782960010137834 2011 1.05812805507337 2012 1.21310321951548 2013 1.32644967626912 2014 1.33003343644799 2015 1.43888356892371 2016 1.69232283797523 2017 1.62207396284821 2018 1.84749130452168 2019 1.85671456138242 2020 1.91023322279393 2021 2.03122159074138