Year current US$ 1962 133468253.96825397 1963 146642857.14285713 1964 153436507.93650794 1965 162833333.33333334 1966 166246031.74603173 1967 162071428.57142857 1968 168190476.19047618 1969 181095238.0952381 1970 190666666.66666666 1971 220626984.12698412 1972 265039682.53968254 1973 375333333.3333333 1974 470679505.35714287 1975 557809523.8095238 1976 586992063.4920635 1977 713690476.1904762 1978 820880952.3809524 1979 1072722222.2222222 1980 1310611111.1111112 1981 1561777777.7777777 1982 1401801470.5882354 1983 1406230315.1369863 1984 1189451085.6380796 1985 838599807.8738371 1986 845625334.3834558 1987 859200112.754491 1988 960965106.6190476 1989 1004374748.2484378 1990 1081165817.449992 1991 1117585755.3576818 1992 1069960301.2730788 1993 1212043199.5642953 1994 1429667263.5922637 1995 1671399873.6640482 1996 1797639320.5984025 1997 1637084655.57933 1998 1370638072.1000261 1999 1237592655.631326 2000 1138547702.4108307 2001 966255013.0177572 2002 792282626.6999751 2003 1000565630.8040981 2004 1341007074.8236697 2005 1365160708.676198 2006 1583812698.7243278 2007 2269500220.7558155 2008 3302789351.8278728 2009 2223876612.3011327 2010 3547862549.622142 2011 4657087106.0457535 2012 3341242478.871075 2013 4953107599.364932 2014 4752828117.066328 2015 3418513026.77664 2016 3860339623.100354 2017 3971789189.959269 2018 4002513922.6175323 2019 3666422095.016857 2020 3801160619.9314165 2021 4506022364.918988 2022 4571810259.496198 2023 4875041538.093483