Year	current US$
1970	132960001.17249796
1971	161950000.19483256
1972	140059999.67455858
1973	239520000.83774328
1974	364079999.04453766
1975	475400001.5016648
1976	329430004.0062517
1977	355130000.5298109
1978	531190001.16921943
1979	739339998.9809836
1980	700669995.1291087
1981	871920003.4439564
1982	715959998.0842321
1983	652749996.9005587
1984	777670001.298189
1985	668389997.9870771
1986	882179993.3910371
1987	948420002.7994813
1988	1497520012.2818358
1989	1533690012.9914277
1990	1594300006.382167
1991	1661970006.0654426
1992	2459569997.457787
1993	1736570001.140237
1994	2000510000.452399
1995	2059729998.94619
1996	1930800008.8185067
1997	1589350002.2739174
1998	1751959992.8632376
1999	1425850000.00149
2000	1194889988.9886377
2001	1847850009.0725725
2002	1937689996.52937
2003	2687339985.668659
2004	3216770009.338856
2005	3589909987.5837574
2006	3922549992.0696015
2007	4757669976.085424
2008	5624700003.862383
2009	5333329954.057932
2010	5855009984.001518
2011	5400919970.173389
2012	5277859992.027283
2013	5395069970.265031
2014	5909939985.930922
2015	4907640001.099559
2016	5667889986.80748
2017	5992679998.546839
2018	6518679982.0661545
2019	5577899987.891317
2020	6744400015.734138
2021	6330220037.8123665
2022	5136899997.223171