Year	% of GNI
1976	18.1587752934978
1977	21.5848520550985
1978	21.3401542616419
1979	20.4606769109425
1980	22.1441487556586
1981	22.5569671047291
1982	14.4716807492482
1983	16.7262264052484
1984	15.0518258423553
1985	17.9972287508284
1986	16.3140313175022
1987	12.7248363223284
1988	14.0822281073732
1989	14.8789233858646
1990	19.29707544352
1991	19.5534513212189
1992	22.762595667944
1993	15.48569554243
1994	16.0095589922683
1995	15.0829813188832
1996	17.4698156081961
1997	17.5588211815521
1998	15.5927574668981
1999	23.6470203914615
2000	28.6808923258888
2001	20.7560593981385
2002	19.5664723023521
2003	19.2862891882647
2004	20.1768229823779
2005	23.8537898900169
2006	27.2054776263263
2007	27.7720828105919
2008	30.209294648805
2009	26.8912160065077
2010	26.0423082863636
2011	28.234311176099
2012	28.101749582809
2013	27.5168579289105
2014	27.6576047125093
2015	24.7635206764987
2016	26.3957474733082
2017	26.3208443369477
2018	25.7948250258756
2019	26.2956581762764
2020	25.2440846815404
2021	25.8104186595095