Year	current US$
1965	790000.021457672
1967	3009999.99046326
1968	1129999.99523163
1969	2819999.9332428
1970	2210000.03814697
1971	3220000.02861023
1972	10750000
1973	8489999.77111816
1974	7090000.15258789
1975	5300000.19073486
1976	5130000.11444092
1977	4260000.228881841
1978	2710000.03814697
1979	2519999.98092651
1980	3349999.90463257
1981	949999.988079071
1982	970000.028610229
1983	-29999.999329447703
1984	600000.023841858
1985	550000.011920929
1986	2319999.9332428
1987	3490000.00953674
1988	3740000.00953674
1989	2220000.02861023
1990	3680000.0667572
1991	15840000.1525879
1992	3730000.01907349
1993	930000.007152557
1994	1940000.0572204601
1995	2650000.09536743
1996	1830000.04291534
1997	1110000.01430511
1998	1450000.04768372
1999	200000.00298023198
2000	259999.990463257
2001	2799999.95231628
2002	2769999.98092651
2003	6989999.771118159
2004	3839999.91416931
2005	201960006.71386698
2006	228750000
2007	344029998.779297
2008	1649999.97615814
2009	4539999.96185303
2010	9109999.65667725
2011	21489999.7711182
2012	2779999.97138977
2013	2700000.04768372
2014	2589999.91416931
2015	7440000.05722046
2016	7880000.11444092
2017	20309999.4659424
2018	12090000.1525879
2019	14470000.2670288
2020	9510000.22888184
2021	14119999.8855591
2022	6940000.05722046