Year	current US$
1970	270000.010728836
1971	1019999.98092651
1972	680000.007152557
1973	439999.997615814
1974	790000.021457672
1975	540000.021457672
1976	959999.978542328
1977	1600000.02384186
1978	1980000.01907349
1979	3829999.92370605
1980	4610000.1335144
1981	3220000.02861023
1982	4269999.98092651
1983	5480000.01907349
1984	4170000.07629395
1985	3039999.96185303
1986	6010000.228881841
1987	6599999.90463257
1988	7230000.01907349
1989	5570000.17166138
1990	10710000.038146999
1991	3859999.89509583
1992	6880000.11444092
1993	7179999.82833862
1994	32220001.220703095
1995	46669998.1689453
1996	41110000.6103516
1997	29209999.084472697
1998	29010000.2288818
1999	20340000.1525879
2000	20420000.0762939
2001	19159999.8474121
2002	19610000.6103516
2003	23049999.237060502
2004	25500000
2005	28409999.8474121
2006	24649999.6185303
2007	27840000.1525879
2008	38770000.4577637
2009	54220001.220703095
2010	39430000.3051758
2011	47459999.0844727
2012	37029998.779296905
2013	49580001.8310547
2014	50659999.8474121
2015	40830001.8310547
2016	55889999.3896484
2017	47950000.762939505
2018	47119998.9318848
2019	47220001.220703095
2020	30799999.237060502
2021	21659999.8474121
2022	24600000.3814697