Year Current U.S. Dollars 1968-01-01 4187777711.11111 1969-01-01 4485777644.44444 1970-01-01 5377333333.33333 1971-01-01 7184853347.59740 1972-01-01 9664157498.55240 1973-01-01 14947391140.12840 1974-01-01 45412957746.47890 1975-01-01 46773368205.59470 1976-01-01 64005665722.37960 1977-01-01 74188249978.72400 1978-01-01 80265619484.64520 1979-01-01 111859676267.55500 1980-01-01 164541738058.73700 1981-01-01 184291796008.86900 1982-01-01 153239017560.23600 1983-01-01 129171635311.14300 1984-01-01 119624858115.77800 1985-01-01 103897846493.65000 1986-01-01 86961922765.32540 1987-01-01 85695861148.19760 1988-01-01 88256074766.35510 1989-01-01 95344459279.03870 1990-01-01 117630271802.40300 1991-01-01 132223268491.32200 1992-01-01 137087876662.21600 1993-01-01 132967901415.22000 1994-01-01 135174886488.65200 1995-01-01 143343036341.78900 1996-01-01 158662398744.99300 1997-01-01 165963557409.88000 1998-01-01 146775498080.00000 1999-01-01 161716960000.00000 2000-01-01 189514926213.33300 2001-01-01 184137469733.33300 2002-01-01 189605920240.00000 2003-01-01 215807655253.33300 2004-01-01 258742133333.33300 2005-01-01 328459608764.11100 2006-01-01 376900133511.34800 2007-01-01 415964509673.11500 2008-01-01 519796800000.00000 2009-01-01 429097866666.66700 2010-01-01 528207200000.00000 2011-01-01 671238840106.66700 2012-01-01 735974843360.00000 2013-01-01 746647127413.33300 2014-01-01 756350347333.33400 2015-01-01 654269902888.71500 2016-01-01 644935541446.45300 2017-01-01 683827144288.53600