Year	current US$
1970	969999.9839067466
1971	1020000.0144541268
1972	879999.9728798863
1973	580000.0112503765
1974	1129999.9840557582
1975	2150000.0320374984
1976	2119999.9824166344
1977	1820000.0207871147
1978	1660000.0355392715
1979	359999.9938160186
1980	1180000.0295042992
1981	670000.0241398814
1982	700000.004842878
1983	639999.9838322396
1984	620000.0103563069
1985	680000.0034272672
1986	529999.9862909317
1987	450000.0048428768
1988	419999.99433755904
1989	629999.995231628
1990	599999.994039535
1991	949999.988079071
1992	1039999.9804794791
1993	4489999.97973442
1994	2850000.010803342
1995	9810000.270605087
1996	19910000.354051583
1997	3799999.9597668652
1998	4959999.94687736
1999	2610000.003129246
2000	1959999.978542327
2001	1300000.011920929
2002	800000.011920929
2003	3290000.0214576703
2004	3540000.0512599926
2005	4069999.9779462786
2006	4109999.984502799
2007	3830000.042915344
2008	3479999.9594688388
2009	3610000.014305114
2010	4010000.050067897
2011	3860000.014305114
2012	3565202.2361755306
2013	3846575.67739486
2014	4141944.050788874
2015	4531083.762645716
2016	3971560.597419738
2017	4907959.997653959
2018	5017611.920833587
2019	4395000.040531163
2020	4461000.025272371
2021	3866000.0562667893
2022	3744000.017642975
