Year Billions of United States Dollars 1960-01-01 84.51650 1961-01-01 89.33975 1962-01-01 97.68975 1963-01-01 102.75450 1964-01-01 108.37150 1965-01-01 116.19025 1966-01-01 131.87700 1967-01-01 149.34925 1968-01-01 166.28025 1969-01-01 179.43775 1970-01-01 192.78525 1971-01-01 208.95950 1972-01-01 225.49825 1973-01-01 239.12525 1974-01-01 265.20475 1975-01-01 296.72475 1976-01-01 314.50775 1977-01-01 341.16925 1978-01-01 370.76950 1979-01-01 404.70525 1980-01-01 453.64975 1981-01-01 507.04125 1982-01-01 554.52950 1983-01-01 595.39300 1984-01-01 634.72775 1985-01-01 690.64000 1986-01-01 737.98900 1987-01-01 776.89275 1988-01-01 820.45425 1989-01-01 881.42875 1990-01-01 948.18600 1991-01-01 1004.85700 1992-01-01 1048.38300 1993-01-01 1073.03975 1994-01-01 1108.10100 1995-01-01 1141.74300 1996-01-01 1172.88875 1997-01-01 1220.52825 1998-01-01 1267.60750 1999-01-01 1351.88150 2000-01-01 1437.99475 2001-01-01 1537.39250 2002-01-01 1645.04100 2003-01-01 1746.98650 2004-01-01 1852.68600 2005-01-01 1962.70550 2006-01-01 2073.34150 2007-01-01 2198.82050 2008-01-01 2352.39425 2009-01-01 2430.60275 2010-01-01 2510.14300 2011-01-01 2511.75375 2012-01-01 2515.97925 2013-01-01 2532.00575 2014-01-01 2565.19925 2015-01-01 2612.70600 2016-01-01 2659.48850 2017-01-01 2731.25425