Year	% of GNI
1970	13.1964476944952
1971	12.8295035237955
1972	13.6091542392798
1973	12.6959031138577
1974	12.5395957319011
1975	12.5913903529677
1976	12.2128119298625
1977	11.5286491557005
1978	11.783358181668
1979	11.845922646595
1980	11.7695092989639
1981	11.6697303167452
1982	12.0964977479985
1983	12.4049211216008
1984	12.8107387040745
1985	12.7453382039322
1986	12.8214857757431
1987	13.3645553792248
1988	13.1975561964764
1989	13.5864423864442
1990	13.1934890461753
1991	12.7530530356154
1992	12.7984957027199
1993	13.1440361553993
1994	12.9658776483027
1995	13.3596601487308
1996	13.7488524353255
1997	13.7461835923068
1998	12.8661798636709
1999	12.969860080095
2000	13.0257544547762
2001	13.4481369906401
2002	13.1655436193378
2003	13.1303813931823
2004	13.3550490352719
2005	13.897907661849
2006	12.714208950051
2007	14.894585819132
2008	14.3812976363785
2009	14.2383298378929
2010	13.8505703170363
2011	13.5615933541118
2012	13.6326472047631
2013	12.5176802490847
2014	12.1912659622248
2015	12.5993198267597
2016	12.5538361143161
2017	13.3887355111213
2018	14.042042620625
2019	14.5401239805359
2020	15.1767166465639
2021	15.8916140039473