Year constant 2015 US$ 1970 100688214.34208657 1971 98382393.47459207 1972 110266225.96229297 1973 133322764.7078915 1974 193721648.32840535 1975 204074946.62184063 1976 149447690.3970449 1977 142554222.04258174 1978 144064717.08465394 1979 127374827.92928177 1980 106348132.25342903 1981 112175427.17142513 1982 111447015.30667563 1983 100520837.33543292 1984 114360662.76567367 1985 99064013.60593387 1986 96878778.01168533 1987 98335601.74118437 1988 119459545.81892027 1989 110718603.4419261 1990 104162896.65918048 1991 98335601.74118437 1992 121644781.4131688 1993 121644781.4131688 1994 123830017.00741735 1995 127472076.33116491 1996 127472076.33116491 1997 128928900.06066392 1998 134027783.11391051 1999 128928900.06066391 2000 137669842.43765807 2001 133299371.24916099 2002 135484606.84340954 2003 133299371.24916099 2004 132570959.38441147 2005 134027783.1139105 2006 142040313.62615514 2007 146410784.8146522 2008 142040313.62615514 2009 142768725.49090466 2010 144225549.22040367 2011 149324432.27365026 2012 158065374.65064442 2013 169719964.4866366 2014 171905200.08088514 2015 191572320.42912197 2016 205412145.85936272 2017 212696264.50685784 2018 219980383.15435296 2019 227264501.80184808 2020 225807678.07234907 2021 245474798.42058593 2022 254944152.6623296 2023 265870330.63357234