Year current US$ 1960 2611840417.894467 1961 2952320472.3712754 1962 2512160401.9456644 1963 2974720475.955276 1964 3270400523.264084 1965 3959200633.472101 1966 4124960659.9937057 1967 4222400675.584108 1968 4730880756.940921 1969 4883200781.312125 1970 5455520872.88334 1971 5839680934.348949 1972 6220794392.523365 1973 7022421524.663677 1974 11737656595.431099 1975 14315171377.850609 1976 14038081936.920017 1977 16144757972.011929 1978 17265414581.989292 1979 20687265704.87334 1980 23827298050.13928 1981 29570416811.796124 1982 32610614586.781418 1983 27657830161.66256 1984 28996243474.98488 1985 31190673250.02627 1986 32912702853.94516 1987 32314716781.3658 1988 39231436371.15034 1989 50821263276.51965 1990 53060646565.29023 1991 52680239945.81362 1992 53341618613.57935 1993 55746908375.49185 1994 59676236596.33345 1995 73019750519.75052 1996 77631200583.3076 1997 82133225648.41814 1998 81674014786.67842 1999 80794585787.69269 2000 89663284607.90643 2001 83770437082.28284 2002 82017039226.4277 2003 98900407687.8276 2004 121992459809.36122 2005 145652868456.56253 2006 162450827269.8821 2007 186601240480.4899 2008 239715332950.14835 2009 211106497147.68707 2010 237995666496.37994 2011 285356953768.4013 2012 335184302952.6832 2013 335587972476.5089 2014 313702700990.6662 2015 291119040943.2821 2016 260021342759.4761 2017 274846166783.18698 2018 307300096115.0901 2019 301767475391.7333 2020 268413428246.40305 2021 276347165282.5761 2022 333675327040.55237 2023 368221405591.6757