Year	National currency, Sum Over Component Sub-periods
1975-01-01	4516000000
1976-01-01	4606000000
1977-01-01	4965000000
1978-01-01	5226000000
1979-01-01	7136000000
1980-01-01	9387000000
1981-01-01	9885000000
1982-01-01	10433000000
1983-01-01	11544000000
1984-01-01	12055000000
1985-01-01	13176000000
1986-01-01	12404000000
1987-01-01	13280000000
1988-01-01	14765000000
1989-01-01	16915000000
1990-01-01	16535000000
1991-01-01	14006000000
1992-01-01	15141000000
1993-01-01	16463000000
1994-01-01	19251000000
1995-01-01	20496000000
1996-01-01	22500000000
1997-01-01	25642000000
1998-01-01	27501000000
1999-01-01	28308000000
2000-01-01	35105000000
2001-01-01	34221000000
2002-01-01	34307000000
2003-01-01	35529000000
2004-01-01	39288000000
2005-01-01	45234000000
2006-01-01	52811000000
2007-01-01	56613000000
2008-01-01	59100000000
2009-01-01	42070000000
2010-01-01	49920000000
2011-01-01	58112000000
2012-01-01	57253000000
2013-01-01	56075000000