Year	current US$
1970	6520000.137388701
1971	8890000.006183982
1972	15109999.706968667
1973	13789999.989792708
1974	15760000.010952359
1975	32059999.667108055
1976	33150000.41760507
1977	33030000.170692813
1978	62080000.312998876
1979	50149999.65578315
1980	83140000.10117881
1981	76449999.78505078
1982	91400000.29839575
1983	108580000.4042685
1984	119980001.03235243
1985	122989999.81023368
1986	179559999.2349744
1987	188799999.40469858
1988	214760000.71316963
1989	216019997.72712585
1990	270559999.75279
1991	328859999.70138043
1992	301549998.756498
1993	244869999.93026268
1994	298410001.36174256
1995	316230002.53364444
1996	258869999.9544768
1997	212880002.54519287
1998	219919999.64043492
1999	219190000.53405753
2000	204220000.24840236
2001	193220000.3229082
2002	243659999.54007563
2003	326569999.2533772
2004	341489997.60486203
2005	395729997.6646899
2006	390340001.5551597
2007	428740002.80722964
2008	385719999.73617494
2009	632210002.9829888
2010	549140000.6636981
2011	748979998.3482804
2012	722140003.0869993
2013	814379996.8361855
2014	877119994.8098512
2015	875370003.8008392
2016	786400006.1377887
2017	808119995.8566575
2018	794560000.4624574
2019	805819996.3755907
2020	865320004.6569107
2021	949740006.5213441
2022	862259995.8572538