Year	current US$
1960	19999.9995529652
1961	29999.999329447703
1962	109999.999403954
1963	129999.998956919
1964	660000.000149012
1965	469999.993219972
1966	659999.992698431
1967	970000.021159649
1968	1820000.00216067
1969	3789999.95999038
1970	8189999.86350536
1971	12430000.1971424
1972	5049999.94672835
1973	18579999.746754803
1974	36350000.020116605
1975	59070000.063628
1976	46269999.5674193
1977	58259999.6589124
1978	128630000.608042
1979	208250002.34506997
1980	233830001.350492
1981	217989998.012781
1982	277629999.926314
1983	286580003.168434
1984	236870001.591742
1985	277950000.88959897
1986	449600003.20524
1987	590919995.922595
1988	937659997.984767
1989	1077269998.29896
1990	825189996.117726
1991	953450003.430247
1992	877629991.900176
1993	974729996.342212
1994	1145929992.51373
1995	1320489994.28377
1996	1066990001.2779999
1997	791129994.00124
1998	930400005.387142
1999	983179993.830621
2000	955070002.596825
2001	843940001.9403551
2002	578969999.004155
2003	522709999.71218395
2004	640669998.660684
2005	1131800018.6495502
2006	2526489985.97637
2007	1696089983.92895
2008	1390350002.49557
2009	1365299998.72297
2010	1685209992.40875
2011	1725990007.07269
2012	1691410010.0472598
2013	2130189989.00801
2014	1530310006.6185
2015	1788510023.1654902
2016	1378549985.46466
2017	1572270022.57109
2018	1197970011.4876
2019	1300909995.06414
2020	1171730003.90828
2021	1574319994.08454
2022	1256870003.2234192