Year	current US$
1968	990000.009536743
1969	1409999.9666214
1970	1490000.0095367401
1971	2650000.09536743
1972	3089999.91416931
1973	3259999.99046326
1974	2619999.8855590797
1975	3480000.01907349
1976	3329999.92370605
1977	2200000.04768372
1978	2599999.90463257
1979	4760000.228881841
1980	3750000
1981	5329999.92370605
1982	2910000.08583069
1983	2869999.8855590797
1984	2700000.04768372
1985	7639999.8664856
1986	6969999.79019165
1987	9350000.38146973
1988	10140000.3433228
1989	13289999.961853001
1990	3119999.8855590797
1991	6250000
1992	6639999.8664856
1993	4590000.15258789
1994	3119999.8855590797
1995	2380000.1144409203
1996	300000.011920929
1997	1350000.02384186
1998	730000.019073486
1999	2210000.03814697
2000	1389999.98569489
2001	1240000.0095367401
2002	949999.988079071
2003	1830000.04291534
2004	1419999.95708466
2005	910000.026226044
2006	1059999.9427795399
2007	1620000.00476837
2008	1639999.98569489
2009	2049999.9523162802
2010	1539999.96185303
2011	1509999.9904632599
2012	1917096.0187912001
2013	2037208.08029175
2014	2230715.03639221
2015	850953.4001350399
2016	841895.937919617
2017	772763.252258301
2018	357908.189296722
2019	403860.002756119
2020	498270.42222023
2021	516863.58451843297
2022	944317.8176879879