Year	current US$
1974	1426000000
1975	1312000000
1976	982000000
1977	982000000
1978	983000000
1979	1694000000
1980	2071000000
1981	2490000000
1982	2140000000
1983	1513000000
1984	1807000000
1985	1714000000
1986	1634000000
1987	2021000000
1988	1776000000
1989	3063000000
1990	3246000000
1991	2819000000
1992	3159800000
1993	3253184999.973
1994	7498501999.98
1995	4141412998.5
1996	4655948000.05
1997	5547282400.099
1998	9001799886.656624
1999	8150356550.53607
2000	8603576999.531473
2001	8631353476.79571
2002	8852963862.236637
2003	9531632469.00319
2004	13434212635.65184
2005	18144993157.043606
2006	21999228226.530365
2007	32767854771.43873
2008	40971651002.240005
2009	35293115808.197205
2010	37813165428.555565
2011	44160824221.4555
2012	46565321290.94445
2013	51264529132.981865
2014	49865429670.24186
2015	42263189428.16469
2016	43183863313.46916
2017	52278100722.85211
2018	59019206779.933556
2019	62103838478.05797
2020	57775476198.82318
2021	66696370946.73198
2022	74869748144.98555