Year % of GNI 1970 1.5694028816680414 1971 1.4547845587946109 1972 1.5585863780645346 1973 1.8815339509848235 1974 1.3356270963974386 1975 1.4639339187733167 1976 1.6216919209765377 1977 1.8648954998088587 1978 1.8806259896153747 1979 2.172688938687872 1980 2.4082717043953688 1981 2.49966433579944 1982 2.537409960276837 1983 2.915617374957219 1984 2.649345962456424 1985 2.7361594650045253 1986 3.2923028080460957 1987 3.282569909745058 1988 3.2443895368917897 1989 2.8432122518348364 1990 2.82743537108466 1991 2.8607603836240747 1992 2.6206101549293535 1993 2.6164072935390927 1994 3.534995651036911 1995 3.396898749716715 1996 3.134469450506071 1997 3.1084155553868884 1998 2.6188895893558395 1999 2.551378815252017 2000 2.129351126991893 2001 1.9317287029168 2002 2.0005451987114524 2003 1.8055130406654565 2004 1.8480798892031907 2005 1.3784033444853707 2006 1.1786220564007284 2007 1.2424446262889899 2008 0.8413637255927139 2009 0.8882378692833154 2010 0.7724443355711389 2011 0.6884997138924658 2012 0.7246564670145614 2013 0.8299592556629858 2014 0.8826702043923067 2015 0.8736464342893339 2016 0.9717022475876602 2017 1.2179633757038504 2018 1.33037309219209 2019 1.7441534307614763 2020 1.6531131832343484 2021 1.7782112771956065 2022 1.7483452543052693