Year National currency, Monthly Level 1960-01-01 1455610000000.000 1961-01-01 1524670000000.000 1962-01-01 1762620000000.000 1963-01-01 1953670000000.000 1964-01-01 2382530000000.000 1965-01-01 3036280000000.000 1966-01-01 3511160000000.000 1967-01-01 3751940000000.000 1968-01-01 4648050000000.000 1969-01-01 5732328000000.000 1970-01-01 6932237000000.000 1971-01-01 8369572000000.000 1972-01-01 8765174000000.001 1973-01-01 10005211000000.000 1974-01-01 16122453000000.000 1975-01-01 16589304000000.000 1976-01-01 19894673000000.000 1977-01-01 21696295000000.000 1978-01-01 20606042000000.000 1979-01-01 22422245000000.000 1980-01-01 29306225000000.000 1981-01-01 33425319000000.004 1982-01-01 34482407000000.000 1983-01-01 34860731000000.000 1984-01-01 40264953000000.000 1985-01-01 42013164000000.000 1986-01-01 35388186000000.000 1987-01-01 33369153000000.000 1988-01-01 33937978000000.004 1989-01-01 37827092000000.000 1990-01-01 41483422000000.000 1991-01-01 42427447000000.000 1992-01-01 43050770000000.000 1993-01-01 40198177000000.000 1994-01-01 40475492000000.000 1995-01-01 41434957000000.000 1996-01-01 44688876000000.000 1997-01-01 50937001000000.000 1998-01-01 50787121000000.000 1999-01-01 47535070000000.000 2000-01-01 51588878000000.000 2001-01-01 49013548000000.000 2002-01-01 51912851000000.000 2003-01-01 54472302000000.000 2004-01-01 60938005000000.000 2005-01-01 65516507000000.000 2006-01-01 75276354000000.000 2007-01-01 84223070000000.000 2008-01-01 81137483000000.000 2009-01-01 54128391000000.000 2010-01-01 67377724000000.000 2011-01-01 65613117000000.000 2012-01-01 63662323000000.000 2013-01-01 69838209000000.000 2014-01-01 73034819000000.000 2015-01-01 75611003000000.000 2016-01-01 69725114000000.000 2017-01-01 78348805000000.000