Year	current US$
1970	147450001.22860062
1971	141619999.40127093
1972	191249995.77924603
1973	195239999.3818249
1974	260479993.87793207
1975	300940001.24931324
1976	229500006.7129729
1977	248009995.09729496
1978	283750004.9751257
1979	277849999.90835786
1980	306830009.33378935
1981	316499996.41254586
1982	315150012.8693876
1983	301880012.5177947
1984	314440002.38925177
1985	260820005.97752666
1986	258120007.20761743
1987	264539992.21697426
1988	282800001.03451353
1989	310860004.31515265
1990	316059990.67612
1991	307880007.2651359
1992	300399997.1523884
1993	266579997.74813676
1994	291429996.5165559
1995	296980005.21399134
1996	294289995.43003774
1997	272990002.7606638
1998	290109995.56630844
1999	262530003.81775182
2000	326190009.2046706
2001	243240001.4735757
2002	280700000.9194013
2003	385940007.3252624
2004	472300001.0140239
2005	509090011.8499993
2006	780789983.5761638
2007	995400006.439538
2008	1120529980.801046
2009	804430001.644418
2010	1138700005.128979
2011	1451670001.5664093
2012	1479839999.653399
2013	1236950000.3047283
2014	1095649998.8362195
2015	869770009.3928722
2016	740379996.9218674
2017	911489984.4564494
2018	880160011.3119935
2019	895370017.0479715
2020	743039987.0648983
2021	1072419981.937855
2022	987560007.2685629