Year	% of GNI
1970	21.343250595345
1971	21.3911786404745
1972	21.4166900404206
1973	23.5491371711462
1974	24.484154021278
1975	21.4318221771634
1976	22.2591003563605
1977	21.0583339092903
1978	20.8363962180656
1979	22.6900367797236
1980	22.8067274636055
1981	23.26907564321
1982	20.6119142660048
1983	20.6577768906729
1984	21.5798963080991
1985	21.1815498811215
1986	19.6275587275066
1987	20.808246126641
1988	21.662285931674
1989	20.8555552607847
1990	18.4227924783614
1991	15.6612263416098
1992	14.5795555385459
1993	15.4075130725692
1994	17.6138646083616
1995	19.6256673479218
1996	20.1304004964456
1997	20.8425841973422
1998	20.4624912900512
1999	21.8304509822516
2000	24.4150563580533
2001	23.2911416034895
2002	22.2885769294925
2003	22.4970677991685
2004	24.1815836681558
2005	24.9618523261171
2006	25.0148540240725
2007	24.768899623572
2008	24.6089607155983
2009	18.8444871020972
2010	19.7018979125923
2011	21.2586487369455
2012	21.2958726806541
2013	21.9313444576313
2014	22.5122519888347
2015	19.8738249237842
2016	19.3832507834657
2017	20.1009086428709
2018	19.9834146680977
2019	20.2758689007636
2020	19.0966635387671
2021	23.0901565625625