Year	% of GNI
1970	22.2893658332203
1971	19.6827007934153
1972	20.1783907445998
1973	21.378367242079
1974	20.2873695715654
1975	23.3456538673042
1976	21.7069364319983
1977	19.8005621347952
1978	19.8873544334256
1979	20.3235895230403
1980	20.0582514080996
1981	20.4881667571098
1982	21.710376378581
1983	23.2046287673193
1984	21.837573479395
1985	21.522311504384
1986	20.4299841701951
1987	18.4144637519616
1988	18.5440392602465
1989	19.7680436011328
1990	19.7997063029395
1991	18.1556238330555
1992	17.669993851897
1993	17.3208649258746
1994	16.6030805394341
1995	15.6611757523834
1996	14.4345004993782
1997	13.3525295063656
1998	12.689894427109
1999	13.1129904472539
2000	12.8508296734086
2001	13.5939528790722
2002	12.9824379658793
2003	13.2190826639494
2004	13.0222622796645
2005	13.3923812045398
2006	14.9580718968906
2007	15.0055907380289
2008	20.9713746899118
2009	23.377425571238
2010	22.3857019575037
2011	20.3061301614869
2012	19.6127899569486
2013	17.1836156885641
2014	16.3599029181718
2015	15.4806530799315
2016	15.5517156725284
2017	16.5540399296313
2018	17.3204230806519
2019	15.8617682223112
2020	16.5150677991092
2021	17.1676378076886