Year	current US$
1970	60000.000521540685
1971	59999.9986588955
1972	79999.9982118607
1973	140000.000596046
1974	180000.00715255702
1975	279999.9937415123
1976	4190000.1447647843
1977	2320000.022649765
1978	4500000.016763804
1979	2709999.9561905884
1980	5880000.013858084
1981	8629999.788478015
1982	12410000.02995133
1983	14339999.873191124
1984	17799999.956041574
1985	20030000.224709485
1986	16209999.926388271
1987	26540000.732988156
1988	29649999.985471368
1989	23590000.160038423
1990	20869999.82967973
1991	138730001.23724338
1992	56489999.525249004
1993	45809999.88317487
1994	39680000.923574015
1995	30769999.995827682
1996	38160000.19013882
1997	39800000.056624435
1998	36309999.91297725
1999	37020000.08523469
2000	30039999.604225144
2001	30859999.924898148
2002	43280000.79095365
2003	30480000.391602512
2004	33000000.41723256
2005	10869999.945163725
2006	10089999.973773953
2007	6870000.012218951
2008	12650000.005960466
2009	17639999.926090237
2010	96889997.46739864
2011	15069999.694824219
2012	21215400.15935898
2013	4703614.056110383
2014	14479499.787092205
2015	15283474.206924437
2016	46805612.56408698
2017	30426739.931106586
2018	41409922.59979248
2019	30320769.139332693
2020	27285470.18300742
2021	43497450.187802315
2022	48580400.06458764