Year current US$ 1965 899000000 1966 977080000 1967 1005680000 1968 1027480000 1969 1076760000 1970 1129680000 1971 1209640000 1972 1251480000 1973 1485920100 1974 1806040000 1975 1981520000 1976 2357920000 1977 2921280100 1978 3417720100 1979 3469520000 1980 3541199900 1981 3674680000 1982 3592702500 1983 3696418800 1984 3910033300 1985 4087790600 1986 3936779000 1987 4239463400 1988 4461147000 1989 4829230800 1990 5425595661.78 1991 5951002900 1992 6767344100 1993 7667792200 1994 8854575800 1995 10371919800 1996 10832539100 1997 11398573800 1998 12259910500 1999 12660608000 2000 13559213200 2001 14232036300 2002 14550256900 2003 15414584700 2004 16191137900 2005 17517480000 2006 19452060000 2007 21517650000 2008 22876570000 2009 20799620000 2010 22071810000 2011 24606880000 2012 25771700000 2013 26609380000 2014 26885930000 2015 27560550000 2016 28038330000 2017 29037090000 2018 30643430000 2019 31217110000 2020 29258960000 2021 36095430000 2022 39930050000 2023 40366490000