Year	current US$
1965	79999.9982118607
1969	39999.9991059303
1971	39999.9991059303
1972	100000.00149011599
1973	389999.98569488496
1974	1299999.95231628
1975	1730000.01907349
1976	3170000.07629395
1977	7739999.771118159
1978	3720000.02861023
1979	3710000.03814697
1980	2000000
1981	5090000.15258789
1982	5360000.1335144
1983	6840000.15258789
1984	14479999.5422363
1985	13100000.3814697
1986	17079999.9237061
1987	15380000.1144409
1988	22540000.915527303
1989	22399999.6185303
1990	23190000.5340576
1991	10300000.1907349
1992	30780000.6866455
1993	19579999.9237061
1994	13680000.3051758
1995	24079999.9237061
1996	18690000.5340576
1997	17329999.9237061
1998	15590000.1525879
1999	7699999.80926514
2000	8750000
2001	9470000.26702881
2002	7860000.1335144
2003	11050000.1907349
2004	14239999.7711182
2005	15380000.1144409
2006	14479999.5422363
2007	20090000.1525879
2008	15579999.923706101
2009	17909999.8474121
2010	22149999.6185303
2011	22219999.3133545
2012	30120000.8392334
2013	28299999.237060502
2014	27409999.8474121
2015	25629999.1607666
2016	28479999.5422363
2017	23930000.3051758
2018	24809999.4659424
2019	23500000
2020	21010000.2288818
2021	18799999.237060502
2022	22520000.4577637