Year	current US$
1970	1069999.9593198327
1971	1349999.9660998574
1972	490000.00581145234
1973	730000.0097602605
1974	3600000.049918889
1975	2620000.034570696
1976	2470000.0062584877
1977	30089999.835938204
1978	5930000.036954876
1979	10620000.060647722
1980	9269999.757409092
1981	21210000.451654203
1982	13869999.876245856
1983	8050000.037997956
1984	12769999.913871285
1985	15039999.86313283
1986	12400000.097230077
1987	29290000.205859527
1988	38290000.395849355
1989	39490000.059828155
1990	64359999.51511623
1991	59199999.60251153
1992	72189999.4593114
1993	66139999.68022108
1994	68319999.06525014
1995	75709999.72708523
1996	92409999.93309382
1997	62310000.48480924
1998	76339999.6869266
1999	54179999.94009733
2000	61610000.33840538
2001	191710004.56996226
2002	119150001.45696104
2003	67030000.27686359
2004	122000000.26263297
2005	123259998.8691509
2006	520900001.25393265
2007	380139998.5328317
2008	112379999.98778102
2009	118249997.65120457
2010	200559998.8792087
2011	94559999.12135303
2012	152659997.43156135
2013	66730000.84422527
2014	50390000.23715195
2015	38749999.83236193
2016	45089999.349787846
2017	58889999.75472689
2018	55339999.51742592
2019	57630000.19080938
2020	55469999.12336462
2021	77239999.47309493
2022	57530000.08314852