Year constant 2015 US$ 1964 549792472.9875818 1965 574419268.001914 1966 609911789.8842055 1967 633432495.665266 1968 717007460.0332015 1969 790660128.3509417 1970 756501428.2248217 1971 979378835.0187402 1972 1301283953.1696668 1973 1481121397.8824036 1974 1558710454.1795862 1975 1568047163.832239 1976 1550967812.1179276 1977 1797496060.3017962 1978 2022325394.9146419 1979 2173143554.798798 1980 2287007202.740589 1981 2368987437.3153625 1982 2422340080.112405 1983 2531453065.0897985 1984 2640566050.067192 1985 2759177107.303251 1986 2919234708.5653586 1987 3086254830.33165 1988 3271427859.193645 1989 3464473335.294666 1990 3645807257.0276084 1991 3784328929.7799277 1992 3829743742.0236516 1993 3898711793.2961993 1994 3972754851.0722613 1995 4127672705.2963896 1996 4279077091.156098 1997 4277338773.4616923 1998 4186863452.154871 1999 4089724578.1758704 2000 4117537669.3412476 2001 4129623119.189603 2002 4132975589.532244 2003 4379816767.583802 2004 4575253395.011601 2005 4788569866.616163 2006 5181626041.635636 2007 5408363067.333453 2008 5470147286.812456 2009 5412550488.936786 2010 5713370239.69895 2011 6155361919.551595 2012 6178016283.751979 2013 6485753167.0499935 2014 6607593372.022813 2015 6994640667.234795 2016 7127365035.630111 2017 7176973058.925796 2018 7433702382.650858 2019 7629929451.051428 2020 7607919477.654965 2021 8163897849.557631 2022 8387672624.825868