Year % of GNI 1970 1.7048964780257054 1971 1.7742328272272878 1972 1.727198172612979 1973 1.5996349479953142 1974 1.3769110946389629 1975 1.4943470667016916 1976 1.2025891140902016 1977 1.546259439236939 1978 1.349220987590863 1979 1.4668112295149485 1980 2.4856253488199154 1981 2.9531830034798103 1982 3.017320168718314 1983 2.6031382577982556 1984 2.7985490820953296 1985 3.066400128997478 1986 3.6951324218790296 1987 2.8395209450632106 1988 2.940074497689879 1989 2.3467426023271227 1990 1.622025610959229 1991 1.3081214017278107 1992 1.4423102529790939 1993 1.328142037885803 1994 1.5017006915685445 1995 1.788012212088286 1996 2.234838985268816 1997 1.7454279719091974 1998 1.7871648665889963 1999 1.8604368340756479 2000 1.5929673045345767 2001 1.842556903125185 2002 2.3079634715842596 2003 1.5427864366142026 2004 1.5700869884508273 2005 1.4381909095249954 2006 1.3965924772738825 2007 1.7673145880421124 2008 1.5180449864043186 2009 1.1685845293466899 2010 0.9032936463541935 2011 1.014498847840284 2012 0.8663415140468191 2013 1.1438544202647616 2014 1.395362871471815 2015 1.619227365498749 2016 1.8081061436731316 2017 1.7809594710552221 2018 2.382950403486766 2019 2.424896677180745 2020 2.32294483512745 2021 3.8959620962270107 2022 2.982834769904188