Year	current US$
1970	5749999.858438967
1971	7650000.09536743
1972	12579999.702051284
1973	12110000.20615756
1974	25000000.04656614
1975	25629999.922588516
1976	22650000.303983692
1977	44000000.41350725
1978	55629999.458789796
1979	67489999.92012978
1980	74020000.33482924
1981	60069999.039173156
1982	80200000.76293957
1983	76459998.67469063
1984	66649998.97032976
1985	69929999.57501894
1986	108320001.00612631
1987	98320000.82731253
1988	96669999.36103824
1989	87549999.2147088
1990	120909999.52703702
1991	109770000.95322728
1992	114159999.72820276
1993	88239998.9366531
1994	90180001.9741059
1995	87520000.45776376
1996	111390000.67114839
1997	87150000.75101855
1998	79150001.6301871
1999	77900001.46627432
2000	70569998.98888169
2001	104769999.22469264
2002	133349999.78542337
2003	148789996.7581034
2004	167350004.46438792
2005	299140005.8865548
2006	208560000.30040735
2007	283910000.3242492
2008	290380006.015301
2009	275620000.0140819
2010	322290001.06267655
2011	295829996.8801435
2012	271499997.8821726
2013	248259996.30428812
2014	232250001.20140627
2015	189059995.41282666
2016	155029999.58395967
2017	157570002.25782403
2018	171919999.9272824
2019	148729997.46352422
2020	149869998.22594222
2021	167179998.70330107
2022	158080000.87738046