Year Current U.S. Dollars 1960-01-01 190495600 1961-01-01 183920900 1962-01-01 191861800 1963-01-01 200229600 1964-01-01 218929100 1965-01-01 229260800 1966-01-01 244459500 1967-01-01 261024300 1968-01-01 276820700 1969-01-01 306961800 1970-01-01 323099700 1971-01-01 341543100 1972-01-01 368098000 1973-01-01 386968300 1974-01-01 486955000 1975-01-01 577549300 1976-01-01 596675700 1977-01-01 673010600 1978-01-01 717240400 1979-01-01 814067900 1980-01-01 854711500 1981-01-01 846514500 1982-01-01 863933200 1983-01-01 823374900 1984-01-01 848478300 1985-01-01 851296100 1986-01-01 840964400 1987-01-01 972800000 1988-01-01 1038300000 1989-01-01 786300000 1990-01-01 384400000 1991-01-01 348000000 1992-01-01 223500000 1993-01-01 160400000 1994-01-01 132200000 1995-01-01 134800000 1996-01-01 159400000 1997-01-01 295900000 1998-01-01 359600000 1999-01-01 441800000 2000-01-01 529064600 2001-01-01 521000000 2002-01-01 543000000 2003-01-01 416000000 2004-01-01 474700000 2005-01-01 550000000 2006-01-01 604028900 2007-01-01 739027200 2008-01-01 850040500 2009-01-01 1155147400 2010-01-01 1292697100 2011-01-01 1545400000 2012-01-01 1735500000 2013-01-01 1946500000 2014-01-01 2013000000 2015-01-01 2034000000 2016-01-01 2101000000 2017-01-01 2158000000