Year	current US$
1970	179010001.09873703
1971	174979999.7508522
1972	234099996.23149627
1973	243780000.2843138
1974	327259993.01671946
1975	370800001.1388212
1976	285850005.13866526
1977	310069994.4738304
1978	365080003.2615667
1979	373129999.17939305
1980	402900008.2556157
1981	407399995.8820646
1982	414570014.3668798
1983	396650011.5487721
1984	451630004.07628685
1985	419290008.89137405
1986	402780005.93930495
1987	414059995.9082899
1988	492600005.6564812
1989	519120004.63157886
1990	535869986.0572815
1991	543390013.5438892
1992	543279995.1620402
1993	530509997.68078375
1994	609239998.9664558
1995	648810002.1183497
1996	586110001.5193229
1997	542430008.4710124
1998	538539989.7247553
1999	488800003.76701343
2000	565160007.3873994
2001	464690003.9017199
2002	503170005.5003164
2003	615710009.1576581
2004	747850000.5602839
2005	867740006.3872333
2006	961989993.7510483
2007	1245880012.8698359
2008	1323989998.8472466
2009	1301190018.0578241
2010	1728850017.1899784
2011	2041009992.241859
2012	2328440034.3894978
2013	2089350012.3023987
2014	1819460006.475449
2015	1579730006.217956
2016	1197450007.0810323
2017	1266389981.5082548
2018	1295160009.6821787
2019	1197380018.5918808
2020	1139189981.788397
2021	1931669963.1959195
2022	1506739997.9829788