Year	current US$
1964	1870000.00476837
1965	569999.992847443
1967	870000.004768372
1968	-140000.000596046
1969	479999.989271164
1970	1019999.98092651
1971	2279999.97138977
1974	1139999.98569489
1975	-310000.002384186
1976	-300000.011920929
1977	-170000.00178813902
1978	529999.971389771
1979	129999.995231628
1980	11819999.6948242
1983	-250000
1984	-50000.0007450581
1985	-389999.98569488496
1986	-649999.976158142
1987	-2000000
1988	-2000000
1989	-1090000.0333786
1990	680000.007152557
1991	2970000.02861023
1992	1149999.97615814
1993	1110000.01430511
1994	2349999.90463257
1995	3650000.09536743
1996	4219999.79019165
1997	2240000.00953674
1998	949999.988079071
1999	1500000
2000	2630000.1144409203
2001	750000
2002	1659999.9666214
2003	1500000
2004	1809999.9427795399
2005	2509999.99046326
2006	3240000.00953674
2007	7239999.771118159
2008	7340000.15258789
2009	8430000.30517578
2010	12939999.5803833
2011	14250000
2012	12329999.923706101
2013	12789999.961853001
2014	12329999.923706101
2015	10890000.3433228
2016	14300000.1907349
2017	12600000.3814697
2018	15210000.038146999
2019	23520000.4577637
2020	30979999.5422363
2021	20750000
2022	15640000.3433228