Year	% of GNI
1970	2.7120078058841663
1971	2.8729400013328554
1972	2.9997398846185828
1973	2.9622538301122714
1974	4.07466876599401
1975	4.936579185805649
1976	4.253302355937942
1977	4.404372955979334
1978	5.005953874524759
1979	5.792206623303069
1980	6.011545009153689
1981	5.6237083598085835
1982	5.729258347725624
1983	5.550933776032195
1984	5.438071898307099
1985	5.955392623389682
1986	8.113559596552152
1987	8.69271482591534
1988	9.3966898220791
1989	9.460796925861976
1990	9.868533457596772
1991	9.674696772553428
1992	12.959279890078964
1993	11.162333629622607
1994	14.872203870159723
1995	12.788500829403699
1996	10.297827607482258
1997	8.541885931203746
1998	8.267499343144237
1999	7.870094772119443
2000	6.882787881612982
2001	8.639029714444636
2002	10.242987485264509
2003	11.951709836438082
2004	11.06903891361339
2005	9.974474827964372
2006	9.60160890942773
2007	9.190908032905423
2008	8.307034543337512
2009	9.201198660511361
2010	9.064144368254665
2011	8.2172406547577
2012	7.566612984214551
2013	6.4931609600108855
2014	5.675530296029105
2015	5.7320399935864135
2016	5.539555362702694
2017	5.63266402381737
2018	5.441909536884232
2019	5.404855927877901
2020	6.829827640268406
2021	5.65368694659552