Year constant 2015 US$ 1971 243127786.59996748 1972 258590108.3516221 1973 281913732.7130341 1974 285563426.4388515 1975 294709982.50559294 1976 329128731.1393263 1977 303333859.5305943 1978 365783596.8769905 1979 421081123.9440106 1980 414997605.8473667 1981 407130178.11800915 1982 394043980.5565377 1983 389513174.2830202 1984 404022474.41799563 1985 447154031.2075064 1986 448025275.32752466 1987 462881183.6766351 1988 485004114.2131992 1989 541467860.0517715 1990 589421152.3600116 1991 609726628.3856571 1992 658138546.635476 1993 705218155.3434641 1994 697920321.3925809 1995 680913985.6411221 1996 755388359.8574927 1997 854142463.5243098 1998 864565424.704328 1999 876091518.8349011 2000 903054868.1972538 2001 902965043.3979496 2002 852619558.6584091 2003 832794345.6326239 2004 867265622.9689182 2005 944866632.8884687 2006 1033272359.3850803 2007 1040608559.1068774 2008 996913981.0182017 2009 988296046.5050753 2010 1043738323.2217475 2011 1125273738.118433 2012 1243211700.6909866 2013 1184432315.2718382 2014 1231212711.0935934 2015 1349188913.1116483 2016 1496918509.8486705 2017 1602038827.271668 2018 1713355406.1853852 2019 1822815120.4275823 2020 1613267551.3808517 2021 1608471317.2840524 2022 1872211834.4399252 2023 1972799529.1787124