Year	current US$
1970	64140317.1407538
1971	71999117.1424209
1972	85807287.9741059
1973	101302178.143143
1974	126241774.391588
1975	155531487.500376
1976	170706067.43971
1977	195626582.80468
1978	195951617.281175
1979	234308008.006447
1980	288665393.057462
1981	322871037.981753
1982	353018601.985116
1983	393720200.921584
1984	494993001.34418
1985	215408206.398833
1986	261391216.940904
1987	248800083.329743
1988	229474090.627387
1989	285505349.243314
1990	302075405.119197
1991	458380793.017572
1992	425965420.244194
1993	585481458.236622
1994	524477839.389062
1995	669754792.757011
1996	697906944.983684
1997	666297942.382703
1998	628721214.66067
1999	707439540.437069
2000	856431060.180734
2001	823615991.322971
2002	961668710.097527
2003	1134085921.40954
2004	1189487715.52099
2005	1634951908.77418
2006	1666985196.70924
2007	1791743011.43098
2008	1938172831.99765
2009	1955965999.01735
2010	2310767911.36611
2011	2446899047.55253
2012	2530454312.49077
2013	2786070573.03916
2014	3055976924.73261
2015	3114328253.50474
2016	3116539579.24896
2017	3817533602.87451
2018	4610017893.83132
2019	5049602157.36088
2020	4886562073.29613
2021	6331232979.43863