Year	National Currency
1960-01-01	24272.50
1961-01-01	20011.00
1962-01-01	21605.50
1963-01-01	23904.75
1964-01-01	28725.75
1965-01-01	27765.00
1966-01-01	27678.25
1967-01-01	29495.25
1968-01-01	32907.50
1969-01-01	36466.00
1970-01-01	34777.00
1971-01-01	35544.75
1972-01-01	39223.00
1973-01-01	43996.50
1974-01-01	33644.00
1975-01-01	31981.50
1976-01-01	35951.75
1977-01-01	32251.25
1978-01-01	28483.25
1979-01-01	31969.75
1980-01-01	36644.50
1981-01-01	36622.50
1982-01-01	27270.25
1983-01-01	29856.75
1984-01-01	37659.00
1985-01-01	37162.75
1986-01-01	30415.00
1987-01-01	29789.00
1988-01-01	40716.25
1989-01-01	39375.25
1990-01-01	31871.00
1991-01-01	31653.75
1992-01-01	38180.50
1993-01-01	42615.25
1994-01-01	45656.75
1995-01-01	33791.25
1996-01-01	29877.75
1997-01-01	33904.50
1998-01-01	36708.50
1999-01-01	38741.50
2000-01-01	35360.50
2001-01-01	34274.25
2002-01-01	43103.75
2003-01-01	42006.25
2004-01-01	41520.75
2005-01-01	38168.25
2006-01-01	38193.25
2007-01-01	38331.00
2008-01-01	36881.75
2009-01-01	35219.50
2010-01-01	43366.75
2011-01-01	38429.50
2012-01-01	38061.75
2013-01-01	42459.00
2014-01-01	50483.50
2015-01-01	56044.50
2016-01-01	57930.50
2017-01-01	53665.00