Year	% of GNI
1980	30.1537649362366
1981	36.4239757163813
1982	35.2058454621577
1983	33.9244610256773
1984	35.4069756403197
1985	31.9667815210664
1986	32.3315877346105
1987	30.6761085073458
1988	33.2986972952
1989	29.685166393464
1990	15.9173027685387
1991	19.2963157376726
1992	13.0371379242255
1993	6.32819450783767
1994	8.68205022389735
1995	26.1603667142017
1996	10.2881732288799
1997	22.050184033586
1998	25.6745147579733
1999	16.3339645726061
2000	13.8212816870922
2001	15.6939759307093
2002	17.6162824220688
2003	16.5408858439338
2004	16.7810034753128
2005	16.7100668008132
2006	15.3240763807249
2007	10.3967679694674
2008	15.5357240671453
2009	20.2766496589604
2010	21.6401368084826
2011	23.1462048551657
2012	22.5603235148802
2013	24.4371999551079
2014	23.582696174776
2015	22.9057535200244
2016	24.5959074126469
2017	25.6964066064963
2018	24.5132909937223
2019	24.9947524187124
2020	21.1687654944951
2021	21.8841660404854