Year	% of GNI
1980	14.063108983460777
1981	3.6654570989414723
1982	2.916757007256574
1983	2.7284297481491615
1984	3.3698871403673274
1985	4.424070511249327
1986	2.2846846210977496
1987	3.794862611726705
1988	2.4451866517258836
1989	3.9376895378768997
1990	1.7374282354661443
1991	0.7675392190362262
1992	1.176230352307259
1993	2.821785372286132
1994	2.436615621822551
1995	2.338882285218028
1996	2.627139083314925
1997	2.8943845326606024
1998	2.151947528625889
1999	3.6711814791987907
2000	6.646370691327115
2001	4.953065091480945
2002	4.389027547377047
2003	3.4367604633062157
2004	5.886907343467372
2005	9.662461310485181
2006	10.57264171051245
2007	10.41512198345304
2008	10.972447619605067
2009	5.7560946888946924
2010	7.819535023531064
2011	9.94275776681559
2012	8.270928262292914
2013	6.6560867566519555
2014	5.441046984962952
2015	3.0300500010303772
2016	2.9209205502300413
2017	4.384662503765031
2018	5.714930457937506
2019	4.872439254182685
2020	2.520726855594807
2021	4.302197857944501