Year constant 2015 US$ 1960 329.8098089919071 1961 335.7127888334622 1962 339.0432102360719 1963 348.6194692632328 1964 366.8631059853961 1965 356.48460330668695 1966 352.82621333331116 1967 366.0171640007139 1968 374.17456522145534 1969 386.7417952408402 1970 400.3276167195086 1971 394.1967301044772 1972 378.89583992588575 1973 384.5641905218389 1974 385.0354880742622 1975 402.1415044770328 1976 403.35015419108606 1977 418.7849603666541 1978 434.39947572522755 1979 413.7658666833287 1980 430.5460679809598 1981 447.79234401352085 1982 454.3535672273513 1983 473.2270835851402 1984 481.7357238372305 1985 496.2415723005118 1986 508.23851418503557 1987 517.9088852258861 1988 548.5753312848677 1989 565.0815984369304 1990 582.4465565064683 1991 581.8916526029816 1992 602.3018287185399 1993 614.3162791924829 1994 636.5868123433211 1995 665.7511392304965 1996 695.9065392343437 1997 707.1411696935352 1998 730.8520869374981 1999 770.3690999867823 2000 786.6181245242338 2001 805.2434967660915 2002 819.3518965665043 2003 862.0597714926014 2004 911.0194567982858 2005 964.1140612219912 2006 1021.2461345564845 2007 1077.9350826188074 2008 1097.4305867975374 2009 1156.7004870480746 2010 1223.8530345025501 2011 1267.3319526705186 2012 1316.921779784413 2013 1377.5266075433601 2014 1453.1058855389826 2015 1539.5941449214972 2016 1639.439348711633 2017 1725.0632265812114 2018 1812.8108142672831 2019 1862.6340144096848 2020 1757.512522548221 2021 1892.0596940887942 2022 1993.2170389083735 2023 2098.8459646421175