Year	% of GNI
1980	9.25852927024019
1981	9.6298078131633
1982	13.5785113108035
1983	9.35219629367449
1984	7.7693129566995
1985	5.33397506288529
1986	8.04981206803372
1987	7.41942446945225
1988	6.17631236088371
1989	6.62489077948051
1990	7.07653876232774
1991	6.45580077456519
1992	6.74897268827207
1993	8.19686644859348
1994	11.5266229593169
1995	13.4084869309565
1996	12.0559412290637
1997	11.8668041006079
1998	10.9849455073147
1999	8.99472913223657
2000	10.136722114574
2001	7.31117600446583
2002	6.96910748652181
2003	9.49015372798062
2004	31.25278710900464
2005	28.04085698775188
2006	25.856227600703157
2007	24.038347413892325
2008	24.508723964097094
2009	12.838354603708188
2010	15.423744855837763
2011	17.34805172995044
2012	14.90174005697374
2013	12.15448535272073
2014	9.9129269048284
2015	9.092589251376662
2016	9.931923811949128
2017	11.35383348022341
2018	13.19875869361165
2019	12.755930007534829
2020	10.06559031052992
2021	13.53992339937885