Year Current U.S. Dollars 1967-01-01 776303647.897207 1968-01-01 890846354.421846 1969-01-01 1002978715.502470 1970-01-01 1024753723.709470 1971-01-01 1116606068.949930 1972-01-01 1314989972.373910 1973-01-01 1510978409.733670 1974-01-01 1961452807.644280 1975-01-01 2447956601.255940 1976-01-01 2718952469.870500 1977-01-01 2605908429.120780 1978-01-01 4032717783.522440 1979-01-01 5475153102.552540 1980-01-01 5617934472.407450 1981-01-01 6871180904.543970 1982-01-01 6875618499.923320 1983-01-01 6951293545.190880 1984-01-01 7529099006.685420 1985-01-01 7893940975.651480 1986-01-01 10483549563.414800 1987-01-01 12143436349.868400 1988-01-01 12449643357.899500 1989-01-01 10922507076.888900 1990-01-01 10673691294.731200 1991-01-01 11659688178.079300 1992-01-01 10750635241.718200 1993-01-01 14768101163.595200 1994-01-01 10053025173.016100 1995-01-01 9116024560.829120 1996-01-01 9922731160.725260 1997-01-01 10224304197.955300 1998-01-01 10143554099.887600 1999-01-01 10730678783.528300 2000-01-01 9490488175.519330 2001-01-01 9675489664.185440 2002-01-01 10906514675.571300 2003-01-01 14023258190.506800 2004-01-01 17028245537.823500 2005-01-01 17455351569.317700 2006-01-01 19103975208.366000 2007-01-01 21864913649.766700 2008-01-01 25997186753.260800 2009-01-01 25904236348.238000 2010-01-01 25879823789.717700 2011-01-01 29033837745.072200 2012-01-01 28659026752.154800 2013-01-01 31728766901.465500 2014-01-01 34653463123.489400 2015-01-01 30479494868.116400 2016-01-01 31581747048.903900 2017-01-01 34298677740.697100