Year	% of GNI
1970	7.29553989851671
1971	7.96486973353309
1972	8.11065473529537
1973	7.07609063055738
1974	6.52473135117773
1975	7.09976326412171
1976	7.24026777713062
1977	7.19093115449128
1978	7.02417177022009
1979	7.24773263405308
1980	8.82881327674055
1981	9.0983293942782
1982	9.42250214550366
1983	9.64314981267075
1984	10.2348435722991
1985	10.7838338300067
1986	11.2393930946875
1987	10.9568691577382
1988	10.5307964516843
1989	10.371633517256
1990	11.9324605217097
1991	12.0457961885777
1992	11.9065845681546
1993	12.1977752969466
1994	12.5777428056888
1995	13.1006917177522
1996	13.9070286486845
1997	16.4447916092609
1998	19.7782746732653
1999	18.3194036012569
2000	18.5694496162416
2001	19.4649118371409
2002	17.7553792416432
2003	16.6861693049418
2004	15.7854483573237
2005	15.5933345824948
2006	15.1613139823763
2007	14.709768515638
2008	15.6432650060526
2009	15.951790988524
2010	15.361841439165
2011	15.7557999354201
2012	16.6070217541917
2013	17.2421994233141
2014	17.643547257852
2015	17.9894363571144
2016	17.8956550293194
2017	17.7674635022423
2018	17.813619601872
2019	17.9069160790908
2020	19.4612989389065
2021	19.4394492956258