Year	% of GNI
1960	0.32529394887763696
1961	2.8935535180051395
1962	2.178791069082675
1963	2.300265317993675
1964	0.9840061967520335
1965	0.9573178175470725
1966	1.9267647802236574
1967	2.1819376425512025
1968	4.678779594149157
1969	2.4353546308801914
1970	2.6665390494461247
1971	3.6563159973345973
1972	3.309934496610514
1973	3.369138872633695
1974	3.717724145160733
1975	4.203321182107046
1976	2.3674248566787117
1977	2.6879931896070577
1978	4.28689371495796
1979	2.6465278846934406
1980	2.94430700233692
1981	5.239941659522638
1982	4.556305807555612
1983	3.7742393585991776
1984	3.31053139390075
1985	2.54859490584921
1986	3.7816774038911607
1987	3.3569521794505475
1988	2.7044207711027806
1989	2.75335367050909
1990	3.3111997460784135
1991	2.3205464648303873
1992	1.3935548437332346
1993	0.8076560489116378
1994	0.4143647855931991
1995	0.5844471935191742
1996	0.45813778781154946
1997	0.9952464201442718
1998	0.9623114461627801
1999	0.953567448190038
2000	0.4406024642731686
2001	0.4538041739512672
2002	0.4847845824093579
2003	-0.24756954387245442
2004	0.4929931600741406
2005	0.5237510898052072
2006	0.26735541444381766
2007	0.8255022179388662
2008	1.065097442125028
2009	1.7003702164299632
2010	1.2454427998922486
2011	1.643305944607526
2012	1.4621543975289646
2013	1.1534140571362714
2014	0.33143463796143624
2015	0.6318162773797601
2016	0.3304892918322787
2017	0.1041138841735462
2018	0.44802288989372807
2019	0.1466294968714691
2020	2.804881440786103
2021	2.4217907270563845
2022	0.5926731636848477