Year	% of GNI
1980	9.165367271561744
1981	2.5178087752644984
1982	-0.23998365049329656
1983	-0.9751547206241938
1984	1.698851966481634
1985	3.975071748356159
1986	14.737783892977482
1987	15.499475601555666
1988	7.712270326549456
1989	6.938076513776904
1990	4.3879125365665494
1991	4.345499185803143
1992	6.1032905669195365
1993	4.895111185585563
1994	5.750958362474899
1995	7.525593226694562
1996	14.313757987737286
1997	15.783117459947743
1999	19.18057092134552
2000	15.333865619961472
2001	10.514893991910046
2002	21.19672907645395
2003	22.46756671777176
2004	15.911904988277405
2005	12.847789874793994
2006	5.88464776091996
2007	8.339019826708798
2008	10.522932171626445
2009	14.984556351286008
2010	15.431838834254142
2011	17.871511416912536
2012	17.186895406503517
2013	17.87509975157097
2014	16.058442284652696
2015	19.08294725077279
2016	18.20289035661013
2017	17.328399138814298
2018	17.18222376116023
2019	15.39034539853788
2020	13.471397090993444
2021	13.334512136216484
2022	17.617364437550357