Year National Currency 1970-01-01 49530680277.64440 1971-01-01 53884503014.86680 1972-01-01 62099678454.89090 1973-01-01 70148347926.21100 1974-01-01 76357522886.13490 1975-01-01 95555044388.93000 1976-01-01 106552367179.04501 1977-01-01 116944453987.68001 1978-01-01 124796664035.60900 1979-01-01 137120748671.58699 1980-01-01 152049021897.45400 1981-01-01 167867969908.29300 1982-01-01 186737765377.44800 1983-01-01 238157275268.32700 1984-01-01 280137042012.84100 1985-01-01 330565444947.14800 1986-01-01 359284641104.71900 1987-01-01 373124899138.26100 1988-01-01 393093281607.27800 1989-01-01 324378294586.25903 1990-01-01 345081417679.08105 1991-01-01 358831000000.00000 1992-01-01 374619000000.00000 1993-01-01 422878000000.00000 1994-01-01 406119000000.00000 1995-01-01 418949000000.00000 1996-01-01 464386000000.00000 1997-01-01 500874000000.00000 1998-01-01 520249000000.00000 1999-01-01 534988000000.00006 2000-01-01 507134000000.00000 2001-01-01 546402000000.00006 2002-01-01 611199000000.00000 2003-01-01 680539000000.00000 2004-01-01 698957000000.00000 2005-01-01 800398000000.00000 2006-01-01 892137000000.00000 2007-01-01 1045646000000.00000 2008-01-01 1119112000000.00000 2009-01-01 1169705000000.00000 2010-01-01 1261781000000.00000 2011-01-01 1186857000000.00000 2012-01-01 1211145000000.00000 2013-01-01 1190746000000.00000 2014-01-01 1340333000000.00000 2015-01-01 1502359100000.00000 2016-01-01 1443998900000.00000 2017-01-01 1486877600000.00000