Year	current US$
1966	239999.994635582
1967	769999.980926514
1968	1419999.95708466
1969	1149999.97615814
1970	1200000.04768372
1971	800000.011920929
1972	1360000.01430511
1973	2450000.04768372
1974	4260000.228881841
1975	4730000.01907349
1976	4019999.98092651
1977	3960000.03814697
1978	1460000.03814697
1979	2170000.07629395
1980	5980000.01907349
1981	1620000.00476837
1982	3329999.92370605
1983	939999.997615814
1984	3019999.98092651
1985	5119999.88555908
1986	3480000.01907349
1987	11670000.076293899
1988	4539999.96185303
1989	7510000.228881841
1990	6280000.20980835
1991	4309999.94277954
1992	3579999.92370605
1993	1409999.9666214
1994	1590000.0333786
1995	529999.971389771
1996	15159999.8474121
1997	17700000.762939498
1998	22629999.1607666
1999	28360000.6103516
2000	24860000.6103516
2001	21549999.237060502
2002	7780000.20980835
2003	4170000.07629395
2004	4719999.79019165
2005	3380000.1144409203
2006	5039999.96185303
2007	5059999.94277954
2008	5849999.90463257
2009	7360000.1335144
2010	6449999.80926514
2011	7239999.771118159
2012	4469999.79019165
2013	-39999.9991059303
2014	79999.9982118607
2016	0
2017	-79999.9982118607
2020	2809999.94277954
2021	2759999.99046326
2022	2230000.01907349