Year	current US$
1960	699999.988079071
1961	899999.976158142
1962	889999.985694885
1963	879999.995231628
1964	819999.992847443
1965	1370000.00476837
1966	1950000.04768372
1967	1080000.04291534
1968	1720000.02861023
1969	1120000.00476837
1970	2589999.91416931
1971	4820000.17166138
1972	5849999.90463257
1973	8050000.19073486
1974	7820000.17166138
1975	8920000.07629395
1976	9630000.11444092
1977	15239999.7711182
1978	21219999.3133545
1979	22049999.237060502
1980	22360000.6103516
1981	19680000.3051758
1982	20950000.762939498
1983	20389999.3896484
1984	19399999.6185303
1985	23399999.6185303
1986	24799999.237060502
1987	30399999.6185303
1988	27770000.4577637
1989	24940000.5340576
1990	25030000.6866455
1991	21260000.2288818
1992	19879999.1607666
1993	13729999.5422363
1994	12489999.7711182
1995	8199999.80926514
1996	13390000.3433228
1997	13810000.4196167
1998	11050000.1907349
1999	9850000.38146973
2000	8029999.73297119
2001	11600000.3814697
2002	8460000.03814697
2003	8109999.65667725
2004	13199999.8092651
2005	28690000.5340576
2006	18250000
2007	32669998.168945298
2008	34880001.0681152
2009	16079999.923706101
2010	23989999.7711182
2011	29350000.3814697
2012	37139999.3896484
2013	34369998.9318848
2014	23709999.084472697
2015	17079999.9237061
2016	17649999.6185303
2017	18180000.3051758
2018	10250000
2019	13699999.8092651
2020	9369999.88555908
2021	10619999.8855591
2022	11119999.8855591