Year	current US$
1970	1299999.95231628
1972	19999.9995529652
1973	419999.986886978
1974	469999.998807907
1975	2269999.98092651
1976	1230000.01907349
1977	4670000.07629395
1978	1809999.9427795399
1979	200000.00298023198
1980	3109999.89509583
1981	430000.00715255697
1982	1789999.96185303
1983	2500000
1984	1100000.02384186
1985	4789999.96185303
1986	829999.983310699
1987	2339999.91416931
1988	2299999.95231628
1989	1409999.9666214
1990	959999.978542328
1991	1970000.02861023
1992	4380000.11444092
1993	4849999.90463257
1994	4500000
1995	6760000.228881841
1996	15210000.038146999
1997	14670000.076293899
1998	18540000.915527303
1999	21370000.8392334
2000	20879999.1607666
2001	26420000.0762939
2002	30549999.237060502
2003	28680000.3051758
2004	28479999.5422363
2005	26159999.8474121
2006	25870000.8392334
2007	34000000
2008	36220001.220703095
2009	34319999.6948242
2010	40500000
2011	39450000.762939505
2012	29200000.762939498
2013	19479999.5422363
2014	29190000.5340576
2015	22969999.3133545
2016	23350000.3814697
2017	40950000.762939505
2018	25129999.1607666
2019	0
2020	819999.992847443
2021	639999.985694885
2022	1350000.02384186