Year Current U.S. Dollars 1970-01-01 870650215410.326 1971-01-01 983919820880.154 1972-01-01 1177324479468.120 1973-01-01 1494320302548.670 1974-01-01 1677325837763.620 1975-01-01 1960416158261.820 1976-01-01 2029571464703.670 1977-01-01 2293171482478.800 1978-01-01 2810831112350.460 1979-01-01 3428211129084.920 1980-01-01 3911234898057.840 1981-01-01 3448874597197.040 1982-01-01 3312341356875.790 1983-01-01 3212469869812.180 1984-01-01 3085359024724.690 1985-01-01 3184321459709.520 1986-01-01 4369597404867.830 1987-01-01 5408299811693.830 1988-01-01 6036986973154.950 1989-01-01 6147039465796.430 1990-01-01 7601734219527.110 1991-01-01 7869757273523.890 1992-01-01 8581785290583.860 1993-01-01 7823880050236.300 1994-01-01 8315909277250.490 1995-01-01 9551079231087.700 1996-01-01 9768557613268.110 1997-01-01 9234745933325.780 1998-01-01 9571985444318.350 1999-01-01 9561798974039.780 2000-01-01 8900654610996.540 2001-01-01 8986013592256.890 2002-01-01 9781224437438.410 2003-01-01 11934046329086.200 2004-01-01 13832744596654.100 2005-01-01 14486694516556.400 2006-01-01 15457185982493.700 2007-01-01 17812000854926.500 2008-01-01 19070696612632.000 2009-01-01 17101820215951.200 2010-01-01 17042340326783.600 2011-01-01 18415969142635.800 2012-01-01 17324328487825.500 2013-01-01 18047143126387.700 2014-01-01 18601154265917.900 2015-01-01 16313252861901.400 2016-01-01 16414079768446.800 2017-01-01 17261305880956.300