Year	% of GNI
1971	0.05387738428531821
1973	0.0043041986047503665
1974	3.9179074689693576
1975	7.264756563429166
1976	8.726182181372884
1977	13.323866835949264
1978	15.888223878056198
1979	17.14183674956833
1980	20.62083901181197
1981	16.006865239367514
1982	14.96624635801892
1983	14.99196580814698
1984	15.309030708113294
1985	15.342642901938202
1986	21.50459282539672
1987	25.592556502526154
1988	24.734165205626716
1989	21.843180585227103
1990	20.64855327406653
1991	17.751249560400172
1992	19.14262261745264
1993	16.10941994718735
1994	29.74248683720173
1995	18.400720462691897
1996	26.41619215146345
1997	18.211272808503672
1998	16.641415917717044
1999	9.308650827383117
2000	21.395318938241747
2001	15.149752740803905
2002	13.073778437845043
2003	26.68401445563725
2004	13.59742440768173
2005	10.580728809928944
2006	14.090619976239305
2007	14.689282338500828
2008	12.672082544061459
2009	15.331189096882413
2010	13.75570785241315
2011	10.595787453229889
2012	7.898626216579968
2013	9.587343090628185
2014	9.402295118766785
2015	8.072459699428023
2016	15.587276206597753
2017	7.6358523638021145
2018	10.219624038709677
2019	7.454689128991809
2020	9.545821992629824
2021	9.709824088032338
2022	8.544749607428693