Year	current US$
1970	21409999.99083579
1971	24870000.012218952
1972	32150000.283494618
1973	41420000.3482402
1974	54370000.59336423
1975	68899999.9016524
1976	88980000.92804435
1977	78729999.9184907
1978	101019999.18743968
1979	148060001.55396768
1980	169979997.8993833
1981	144099999.91208315
1982	134880000.35099682
1983	133439998.74033034
1984	112019998.76275659
1985	105749999.88824128
1986	132709999.3638694
1987	217349998.16492188
1988	203670000.06139284
1989	178989999.577403
1990	203469999.94851652
1991	184430001.55687326
1992	241900000.45485798
1993	312909998.9123642
1994	557219999.1047382
1995	455529998.04355204
1996	439570001.2482703
1997	358560001.15536153
1998	367410002.92636454
1999	349709999.17574227
2000	368429997.35102063
2001	426300001.2058762
2002	375070002.4664403
2003	414350005.41992486
2004	450720004.5026835
2005	580430006.6232682
2006	612220000.4253534
2007	647610012.0190535
2008	677699988.357723
2009	739439996.4921179
2010	839469998.3336031
2011	997700003.9741399
2012	999999996.2672589
2013	926599997.1404676
2014	799810001.7346443
2015	778560003.2955408
2016	620659998.7056108
2017	805399997.9998913
2018	829860004.970804
2019	754169997.9137635
2020	894210000.3231317
2021	1266309987.392276
2022	955789999.5204057