Year	constant 2015 US$
1970	2475596539.951158
1971	2640452344.312911
1972	3207131986.6321673
1973	4440222218.751331
1974	5854197128.967556
1975	6384781354.932313
1976	6276517869.442386
1977	7641775995.046984
1978	8233458625.720594
1979	8566319277.15163
1980	10580515703.007107
1981	12641760495.343239
1982	13109113175.695583
1983	13607116355.575005
1984	14341383754.014229
1985	14195475392.101498
1986	13133472292.877686
1987	13987854329.567537
1988	15871175310.472898
1989	19899989685.299747
1990	23589273293.21209
1991	27104724344.730797
1992	30596701262.37553
1993	36716741185.622116
1994	41596322769.923615
1995	44609273346.72645
1996	48759853580.6226
1997	53744055143.856346
1998	50275439419.443504
1999	53051993576.22879
2000	57027038372.098404
2001	59529833818.71796
2002	63977913677.50151
2003	66512449769.47861
2004	71266883293.12505
2005	77373147929.55772
2006	82708467840.43199
2007	98137975784.88152
2008	106616159108.16916
2009	109234271464.76219
2010	115013106946.26593
2011	123272065249.62013
2012	131453040767.69801
2013	139374073523.09335
2014	148806817703.47107
2015	156746880164.19946
2016	165702469393.11646
2017	176408925477.80124
2018	188678308045.02576
2019	200295020297.04816
2020	189410353722.21793
2021	193452608043.95032
2022	215330762254.4036
2023	226953555427.3031