Year	% of GNI
1970	4.6262595
1971	4.6262595
1972	4.6262595
1973	5.7
1974	4.8
1975	4.6
1976	4.8
1977	5.4
1978	5.6
1979	5.3
1980	4.7
1981	4.6
1982	5
1983	5
1984	5.1
1985	5.2
1986	5.6
1987	5.5059218
1988	5.5059218
1989	5.5059218
1990	5.2
1991	5.6
1992	5.4
1993	5.5
1994	5.8
1995	5.9
1996	5.7
1997	6
1998	6.3904549
1999	5.68577051733626
2000	5.55
2001	5.59645529564623
2002	5.34
2003	5.96
2004	5.94
2005	5.94
2006	6
2007	5.995
2008	5.99
2009	6.04
2010	5.86
2011	5.88
2012	5.9
2013	5.9
2014	5.9
2015	5.9
2016	5.9
2017	5.9
2018	5.9
2019	5.9
2020	5.9
2021	5.9