Year National currency, Monthly Level 1960-01-01 526961286.54429096 1961-01-01 568880379.30166200 1962-01-01 596010134.02203890 1963-01-01 609309240.65058800 1964-01-01 694176273.58446600 1965-01-01 767479921.47406200 1966-01-01 805028285.84531810 1967-01-01 882747363.43179200 1968-01-01 1149494384.51694000 1969-01-01 1399628322.45958000 1970-01-01 1632025942.87043000 1971-01-01 1665606651.66772990 1972-01-01 2035218178.48247980 1973-01-01 2449394554.59646030 1974-01-01 3472728629.62675000 1975-01-01 3389731106.65893000 1976-01-01 4088293972.01005030 1977-01-01 5190423195.02905900 1978-01-01 5938625127.54266000 1979-01-01 7300799587.21079900 1980-01-01 8868383203.93404000 1981-01-01 10167519607.07250000 1982-01-01 10584812551.94550000 1983-01-01 11714612193.19820000 1984-01-01 13590220153.84440000 1985-01-01 14134707991.28320000 1986-01-01 13870991507.66460000 1987-01-01 14391403536.25039900 1988-01-01 15533011322.07890100 1989-01-01 16856376326.03100000 1990-01-01 17073358640.75440000 1991-01-01 15605975086.23770100 1992-01-01 18011917053.84040000 1993-01-01 22531082936.64790000 1994-01-01 25981884926.86230000 1995-01-01 30966500000.00000000 1996-01-01 32414800000.00000000 1997-01-01 36589000000.00000000 1998-01-01 39092500000.00000000 1999-01-01 39233700000.00000000 2000-01-01 49741900000.00000000 2001-01-01 48141300000.00000000 2002-01-01 47912800000.00000000 2003-01-01 46905900000.00000000 2004-01-01 49188700000.00000000 2005-01-01 52553000000.00000000 2006-01-01 61559200000.00000000 2007-01-01 65721900000.00001000 2008-01-01 65396600000.00001000 2009-01-01 45019900000.00000000 2010-01-01 52044300000.00000000 2011-01-01 56753400000.00000000 2012-01-01 57141000000.00000000 2013-01-01 56225700000.00000000 2014-01-01 55811600000.00000000 2015-01-01 53944700000.00000000 2016-01-01 52283500000.00000000 2017-01-01 60232400000.00000000