Year current US$ 1960 13835136.534803769 1961 17218768.424062714 1962 18648867.3246477 1963 21756790.427427433 1964 24863802.458750863 1965 25707891.899244945 1966 29306593.154530693 1967 36991732.933961414 1968 41201351.59498955 1969 44622151.04972033 1970 63675109.44711166 1971 71543628.26508914 1972 76182124.27163789 1973 112612059.77860308 1974 142913680.4276683 1975 263633220.39877206 1976 318057513.6203736 1977 508385538.6058026 1978 327046769.35932446 1979 366205753.8442116 1980 566074649.2958109 1981 550175544.0876402 1982 568461489.3801185 1983 583363456.7211863 1984 650865456.7590462 1985 681783332.3153327 1986 877547845.6757699 1987 805891963.3212547 1988 758775730.6683779 1989 593401490.1599785 1990 797752811.1347252 1991 771009121.2264497 1992 866558764.319262 1993 670034180.455644 1994 502380476.9835736 1995 582991921.5251617 1996 640088837.0327945 1997 575325717.1082125 1998 693446510.9457464 1999 549294290.0192642 2000 485698571.6453027 2001 803630330.386636 2002 878436472.4243611 2003 1054931394.022087 2004 1166088851.3347356 2005 1201232724.6860569 2006 1377681272.812757 2007 1703168768.3983853 2008 1935593992.4678168 2009 1953167863.0343082 2010 1938423627.0710835 2011 2329775064.426395 2012 2409154771.8677034 2013 2543679508.247611 2014 2703192444.150652 2015 2131058497.425063 2016 2053266060.9366655 2017 1975425766.5996306 2018 1782168597.230195 2019 1855075832.7619016 2020 2017128878.049385 2021 2297859315.941252 2022 2209015849.191836 2023 2388062344.691308