Year	% of GNI
1980	29.908309414299698
1981	21.8934882184642
1982	19.0574299443902
1983	16.14479527009715
1984	17.888835309099925
1985	20.594706673634928
1986	22.291656236965487
1987	18.473970421435897
1988	19.940639046304
1989	13.8819902081931
1990	6.061449515146583
1991	9.578815240986614
1992	7.698456056668092
1993	8.188244700479723
1994	8.085897133883
1995	10.211602866734472
1996	21.170471506105834
1997	21.503549856588492
1998	29.44661342734073
1999	25.044661458333334
2000	22.076424584693132
2001	17.416646261672145
2002	27.267382742728064
2003	24.333725454610487
2004	15.565593047180004
2005	16.442541941587322
2006	2.8001161908598253
2007	6.224760014663818
2008	8.64090780577939
2009	14.615960782362835
2010	14.538310768743768
2011	16.29852222364671
2012	16.436973431492945
2013	18.31687360088366
2014	15.827691198401633
2015	20.165474108994534
2016	18.582066694777296
2017	16.024974477218862
2018	13.46026145851595
2019	6.522836167638463
2020	1.7488365367762913
2021	4.121166132067433
2022	12.655762595549389