Year	National currency, Monthly Level
1960-01-01	1722.000000000000
1961-01-01	3121.000000000000
1962-01-01	3431.000000000000
1963-01-01	3311.000000000000
1964-01-01	3697.000000000000
1965-01-01	4168.000000000000
1966-01-01	4473.000000000000
1967-01-01	4702.000000000000
1968-01-01	4467.000000000000
1969-01-01	4831.500000000000
1970-01-01	6408.506000000000
1971-01-01	9086.758000000000
1972-01-01	11876.285000000000
1973-01-01	18030.872000000000
1974-01-01	21190.075000000000
1975-01-01	20077.407000000003
1976-01-01	30775.368000000002
1977-01-01	31344.107000000004
1978-01-01	55350.655999999995
1979-01-01	75750.042000000000
1980-01-01	221489.357000000000
1981-01-01	530726.149000000000
1982-01-01	937310.576000000000
1983-01-01	1298945.234000000200
1984-01-01	2608331.531000000000
1985-01-01	4152927.055000000000
1986-01-01	5012345.479000000000
1987-01-01	8844330.504999999000
1988-01-01	16809242.006000000000
1989-01-01	24819337.000000000000
1990-01-01	34033944.000000000000
1991-01-01	57387400.000000000000
1992-01-01	101901200.000000000000
1993-01-01	170699400.000000000000
1994-01-01	550041707.470000000000
1995-01-01	1001123477.880000000000
1996-01-01	1907001833.600000100000
1997-01-01	4039401624.000000000000
1998-01-01	7032148730.800000000000
1999-01-01	11211265206.600000000000
2000-01-01	17347694857.000000000000
2001-01-01	38770187935.000000000000
2002-01-01	54621624134.000000000000
2003-01-01	70369503260.000000000000
2004-01-01	90327455811.000000000000
2005-01-01	99039094220.000000000000
2006-01-01	123341871430.000000000000
2007-01-01	139340197156.000000000000
2008-01-01	170513069630.000000000000
2009-01-01	158481951500.000000000000
2010-01-01	171343212770.000000000000
2011-01-01	227011121910.000000000000
2012-01-01	274565015900.000000000000
2013-01-01	289750378380.000000000000
2014-01-01	345293745690.000000000000
2015-01-01	391461317810.000000000000
2016-01-01	431604624110.000000000000
2017-01-01	573858078640.000000000000