Year Current U.S. Dollars 1977-01-01 87350297.037037 1978-01-01 102094121.481481 1979-01-01 123935513.703704 1980-01-01 146341385.925926 1981-01-01 167970095.925926 1982-01-01 182754001.111111 1983-01-01 197228760.370370 1984-01-01 217663028.148148 1985-01-01 241273008.148148 1986-01-01 289689704.444444 1987-01-01 319998986.666667 1988-01-01 366541091.111111 1989-01-01 415518112.222222 1990-01-01 483962430.740741 1991-01-01 513753818.148148 1992-01-01 566894748.518518 1993-01-01 574870405.185185 1994-01-01 600005564.444444 1995-01-01 640449501.481481 1996-01-01 662196185.185185 1997-01-01 676949593.703704 1998-01-01 737554871.851852 1999-01-01 775934812.592593 2000-01-01 784159228.703704 2001-01-01 743808076.018518 2002-01-01 748346605.925926 2003-01-01 823837141.096296 2004-01-01 893107210.788889 2005-01-01 951207366.040741 2006-01-01 1134193629.629630 2007-01-01 1277494148.148150 2008-01-01 1282215407.407410 2009-01-01 1262973407.407410 2010-01-01 1381968259.259260 2011-01-01 1437684814.814810 2012-01-01 1436803333.333330 2013-01-01 1489928888.888890 2014-01-01 1551921037.037040 2015-01-01 1649142629.629630 2016-01-01 1667078703.703700 2017-01-01 1712306555.555560