Year	current US$
1975	365174496.3120638
1976	397974847.7892005
1977	433212577.23739284
1978	483200914.83120376
1979	584497588.624273
1980	665937453.3883559
1981	773877591.6074182
1982	791527867.5483519
1983	828916621.0908369
1984	904688509.918958
1985	921443842.2910556
1986	1102272162.2831006
1987	1215581961.9151793
1988	1218465668.9703178
1989	1348481081.8873367
1990	1686620593.6459007
1991	1724009347.1883857
1992	1671300000
1993	1748421418.9827476
1994	1775667478.7450902
1995	1953562372.5948393
1996	2059911500.02486
1997	2213245164.818774
1998	2426291453.2889175
1999	2576343658.3304334
2000	2691200000
2001	2749300000
2002	2754400000
2003	2768200000
2004	3079300000
2005	3446250000
2006	3598351900
2007	3847810950
2008	4075991850
2009	3903765950
2010	4091144650
2011	4211016499.9999995
2012	4240593000
2013	4273751449.9999995
2014	4328232300
2015	4302398200
2016	4456041000
2017	4470376650
2018	4479486600
2019	4546752650
2020	4496462450
2021	4564070350
2022	5104760250