Annual % of GNI
1976 15.265459841998332
1977 17.369203233802722
1978 17.350203723611152
1979 16.396512508026117
1980 17.185933497504827
1981 16.820537037960868
1982 16.316991368988294
1983 14.427530178352605
1984 15.762521869679862
1985 18.621976150943464
1986 15.519566160703976
1987 16.812438440682964
1988 14.858215198203338
1989 13.221626521943525
1990 10.298213488625837
1991 11.679264823124532
1992 15.050420422552037
1993 16.59004192050371
1994 13.95080847513947
1995 20.981745592899923
1996 20.349977719947777
1997 19.080674002085924
1998 20.103778577077314
1999 20.422548562805797
2000 21.65169749980321
2001 18.479012002206105
2002 25.164620694399787
2003 25.161321133378767
2004 27.662623071791614
2005 30.600779652775344
2006 29.282380010025136
2007 30.744926512698825
2008 36.30320800224361
2009 36.81056093224031
2010 37.4641253468634
2011 29.373921807625205
2012 34.315460557458785
2013 36.83417777545923
2014 39.01728517485794
2015 39.529710227745646
2016 34.85070025221186
2017 41.46299325616454
2018 42.326138805641975
2019 41.75560937097765
2020 32.43270450648966
2021 30.746511155129607
2022 30.96557929297212
2023 35.96388686715668