Year	% of GNI
1980	13.4141638805414
1981	13.3698910624992
1982	13.4716392531358
1983	13.4715220940219
1984	13.5788056634739
1985	13.5843763914005
1986	13.7548897300949
1987	13.7376442899598
1988	13.937556197792
1989	14.4685863501273
1990	15.5361606611445
1991	15.723888827233
1992	13.2926618074112
1993	13.802909392178
1994	10.6836285320615
1995	6.21389774559992
1996	6.81549791545047
1997	6.34094191143905
1998	10.2759316490594
1999	12.0297018850445
2000	13.095444130983
2001	12.7089817431214
2002	13.0233349421256
2003	14.1630957299978
2004	13.8092685734809
2005	14.2959676127633
2006	14.4812571040398
2007	14.6798746406131
2008	12.9365917199628
2009	14.6203013616527
2010	15.5800221155882
2011	14.799465982875
2012	14.1150700416676
2013	14.0160619314906
2014	14.8829498817504
2015	14.8616397419717
2016	14.7581500406913
2017	14.4499495268637
2018	14.9000661051707
2019	14.6976975879622
2020	14.7096484456124
2021	14.4943862934586