Annual % of GNI
1961 20.46052212404155
1962 21.739783033214394
1963 21.977175556821646
1964 23.21090089668474
1965 24.260177194783697
1966 24.744421497626682
1967 22.930729372519835
1968 22.32487978733864
1969 22.27803341484787
1970 21.52605458924666
1971 21.6010232543716
1972 21.60253983576793
1973 23.723035643016463
1974 24.650506906426955
1975 21.564005314256228
1976 22.28002346394015
1977 21.03888441202231
1978 20.810994834310435
1979 22.664134727628532
1980 22.783696444450115
1981 23.26907564321
1982 20.61191426600483
1983 20.657776890672906
1984 21.579896308099123
1985 21.18154988112147
1986 19.62755872750659
1987 20.80824612664102
1988 21.66228593167397
1989 20.855555260784747
1990 18.422792478361423
1991 15.661226341609808
1992 14.579555538545916
1993 15.407513072569168
1994 17.613864608361645
1995 19.625667347921844
1996 20.13040049644564
1997 20.842584197342187
1998 20.46249129005117
1999 21.83045098225162
2000 24.41505635805331
2001 23.29114160348953
2002 22.28857692949248
2003 22.497067799168455
2004 24.181583668155756
2005 24.961852326117096
2006 25.014854024072473
2007 24.768899623572022
2008 24.608960715598343
2009 18.844487102097208
2010 19.701897912592308
2011 21.258648736945535
2012 21.295872680654085
2013 21.931344457631315
2014 22.512251988834656
2015 19.87382492378418
2016 19.383250783465716
2017 20.100908642870923
2018 19.92162175444352
2019 20.505997485481362
2020 19.603930862565722
2021 23.492738726339763
2022 24.39238187224417
2023 22.167287443170324