Year	current US$
1968	540000.021457672
1969	460000.00834465
1970	100000.00149011599
1971	959999.978542328
1972	970000.028610229
1973	1070000.05245209
1974	1620000.00476837
1975	3759999.99046326
1976	2039999.96185303
1977	490000.009536743
1978	100000.00149011599
1979	610000.014305115
1980	9999.99977648258
1981	340000.00357627904
1982	1129999.99523163
1983	1340000.0333786
1984	1240000.0095367401
1985	1200000.04768372
1986	509999.99046325695
1987	819999.992847443
1988	600000.023841858
1989	920000.016689301
1990	4309999.94277954
1991	4690000.05722046
1992	6179999.82833862
1993	5429999.82833862
1994	6989999.771118159
1995	4269999.98092651
1996	1799999.95231628
1997	2960000.03814697
1998	3089999.91416931
1999	6719999.79019165
2000	5090000.15258789
2001	6150000.09536743
2002	9159999.84741211
2003	5369999.88555908
2004	7760000.228881841
2005	4480000.01907349
2006	2200000.04768372
2007	3490000.00953674
2008	4480000.01907349
2009	3240000.00953674
2010	1429999.94754791
2011	1179999.94754791
2012	1379999.99523163
2013	340000.00357627904
2014	119999.997317791
2015	430000.00715255697
2016	2549999.95231628
2017	1139999.98569489
2018	1000000
2019	2109999.89509583
2020	4360000.1335144
2021	8409999.84741211
2022	11420000.076293899