Year % of GNI 1990 0.4745535238052651 1991 0.5026895539560161 1992 0.7032824012545633 1993 0.880956326516865 1994 1.2304094727053076 1995 1.0130801998620833 1996 0.854933583995382 1997 0.8914557288986629 1998 0.9790340291994557 1999 1.0661633856884374 2000 0.996427626359292 2001 1.1295558271335528 2002 1.1175089527282107 2003 1.1505914394697156 2004 1.09221316807168 2005 1.0365641866905695 2006 0.9969898051152616 2007 0.9269742933382711 2008 0.8261456842916612 2009 0.8960600041274568 2010 0.8951466947972138 2011 0.8427800762110794 2012 0.868446832790052 2013 0.8970849940089208 2014 0.9354498290016936 2015 1.0454934476162945 2016 1.1263208285487412 2017 1.1493282036281867 2018 1.2285244158959814 2019 1.2703095015776047 2020 1.3401463992076028 2021 1.3890072846118784