Year	current US$
1973	419999.986886978
1974	310000.002384186
1975	400000.00596046395
1976	6230000.01907349
1977	4619999.88555908
1978	1860000.01430511
1979	70000.0002980232
1982	-170000.00178813902
1983	-70000.0002980232
1984	70000.0002980232
1985	50000.0007450581
1986	109999.999403954
1987	129999.995231628
1988	200000.00298023198
1989	180000.00715255702
1990	230000.004172325
1991	140000.000596046
1992	109999.999403954
1993	239999.994635582
1994	209999.993443489
1995	860000.014305115
1996	1629999.99523163
1997	4139999.8664856004
1998	8880000.11444092
1999	2450000.04768372
2000	2619999.8855590797
2001	2599999.90463257
2002	5429999.82833862
2003	7579999.92370605
2004	8170000.076293951
2005	7960000.03814697
2006	7610000.1335144
2007	8390000.34332275
2008	8260000.22888184
2009	7670000.07629395
2010	5739999.771118159
2011	5260000.228881841
2012	4039999.96185303
2013	3730000.01907349
2014	4570000.17166138
2015	1759999.9904632599
2016	1980000.01907349
2017	9680000.30517578
2018	2200000.04768372
2019	3079999.92370605
2020	2309999.94277954
2021	3160000.08583069
2022	4340000.15258789