Year current US$ 1966 14252026.22372825 1967 15065541.918167682 1968 13272021.235233976 1969 14544023.270437231 1970 15816025.30564049 1971 16913284.25317264 1972 19087278.328993727 1973 24230426.954808053 1974 30860463.36284365 1975 36918349.33220652 1976 36618137.52514408 1977 42803831.97871452 1978 48016416.1966108 1979 55284428.85465914 1980 65137191.942047074 1981 67004326.26358552 1982 76588440.32129146 1983 68919776.7734478 1984 49664374.851076625 1985 59542245.075213015 1986 53487588.61228444 1987 67426198.68822798 1988 73079768.52383935 1989 73632740.61878139 1990 77186269.51264831 1991 125352699.56136057 1992 123749468.1428081 1993 129915609.54132129 1994 143556217.32141167 1995 167879653.38347167 1996 152224085.45812142 1997 165390488.2145557 1998 161364508.46088076 1999 195633532.40149355 2000 192066658.19493455 2001 174778503.5377345 2002 139498876.0067929 2003 130274522.27629454 2004 303023891.0761585 2005 329795775.9730185 2006 269855177.4450865 2007 301577341.57564825 2008 465027223.3449815 2009 460191497.930838 2010 543135541.3478117 2011 383470781.5482704 2012 387620334.1607763 2013 360713996.18667406 2014 276122830.67758286 2015 306077672.2308421 2016 324549422.1595753 2017 316059500.55599886 2018 331989059.7608425 2019 362795314.83679956 2020 384977678.3893956 2021 474923905.7316028 2022 530493742.2214182 2023 576261887.5613748