Year	current US$
1970	0
1971	0
1972	1499999.99441206
1973	1259999.9923259
1974	1320000.00029802
1975	8320000.10833144
1976	2930000.0313669397
1977	1640000.00432134
1978	1530000.01236796
1979	1060000.00238419
1980	1280000.01236796
1981	690000.005066395
1982	349999.995902181
1983	169999.998062849
1984	129999.99709427402
1985	189999.99761581398
1986	480000.000447035
1987	539999.993517995
1988	319999.996572733
1989	539999.99910593
1990	700000.002980232
1991	389999.995008111
1992	410000.000149012
1993	689999.997615814
1994	1359999.9938160202
1995	2289999.96185303
1996	2079999.97958541
1997	3489999.98345971
1998	2129999.95239079
1999	3279999.9956041602
2000	3269999.99582767
2001	3659999.95917082
2002	5409999.9517202405
2003	5419999.92728233
2004	15260000.243783
2005	20080000.430345498
2006	8820000.0077486
2007	11540000.0214577
2008	14650000.1475215
2009	12039999.749511499
2010	8460000.16480684
2011	12909999.7580051
2012	19629999.8760223
2013	10619999.8557568
2014	6810000.08434057
2015	8360000.03293157
2016	7469999.99135733
2017	8460000.16108155
2018	2749999.9906867696
2019	4780000.01423061
2020	3640000.1086294698
2021	7289999.80539083
2022	7730000.026524071