Year National currency, Monthly Level 1960-01-01 258681619.84782400 1961-01-01 251812051.49471703 1962-01-01 260376475.00000000 1963-01-01 260436575.99999997 1964-01-01 344193623.00000000 1965-01-01 350011418.00000000 1966-01-01 452035629.00000000 1967-01-01 508809034.00000000 1968-01-01 668590505.00000000 1969-01-01 799419422.00000000 1970-01-01 1004211291.00000010 1971-01-01 1235948337.00000000 1972-01-01 1473774838.00000000 1973-01-01 1819080333.00000000 1974-01-01 2451965909.00000000 1975-01-01 2646119866.00000000 1976-01-01 3507254217.00000000 1977-01-01 4659685308.00000000 1978-01-01 6018380153.00000000 1979-01-01 7339782195.00000000 1980-01-01 8788197925.00000000 1981-01-01 11349645434.00000000 1982-01-01 13570887874.00000000 1983-01-01 17060334042.00000000 1984-01-01 22706660536.00000000 1985-01-01 24636789153.00000000 1986-01-01 22866624115.00000000 1987-01-01 25216203469.00000000 1988-01-01 28165685815.00000000 1989-01-01 30859186891.00000000 1990-01-01 33913858431.99999600 1991-01-01 37417033937.00000000 1992-01-01 39700861040.00000000 1993-01-01 46606154761.00000000 1994-01-01 58877191853.00000000 1995-01-01 74807100000.00000000 1996-01-01 84460100000.00000000 1997-01-01 88846900000.00000000 1998-01-01 99879100000.00000000 1999-01-01 97985700000.00000000 2000-01-01 124784400000.00000000 2001-01-01 130258600000.00000000 2002-01-01 132917900000.00000000 2003-01-01 138036100000.00000000 2004-01-01 146814600000.00000000 2005-01-01 154846500000.00000000 2006-01-01 170210800000.00000000 2007-01-01 184821200000.00000000 2008-01-01 191387900000.00000000 2009-01-01 162989900000.00000000 2010-01-01 191911900000.00000000 2011-01-01 220223200000.00000000 2012-01-01 229802500000.00000000 2013-01-01 239314300000.00000000 2014-01-01 244287300000.00000000 2015-01-01 254599400000.00000000 2016-01-01 262041400000.00000000 2017-01-01 282897500000.00000000