Year	National currency, Sum Over Component Sub-periods
1975-01-01	82000000
1976-01-01	86000000
1977-01-01	100000000
1978-01-01	157000000
1979-01-01	240000000
1980-01-01	333000000
1981-01-01	498000000
1982-01-01	464000000
1983-01-01	489000000
1984-01-01	882000000
1985-01-01	1035000000
1986-01-01	873000000
1987-01-01	1102000000
1988-01-01	1664000000
1989-01-01	1812000000
1990-01-01	2274000000
1991-01-01	1752000000
1992-01-01	1158000000
1993-01-01	1106000000
1994-01-01	1569000000
1995-01-01	2107000000
1996-01-01	2218000000
1997-01-01	3611000000
1998-01-01	3799000000
1999-01-01	5322000000
2000-01-01	7884000000
2001-01-01	9574000000
2002-01-01	9139000000
2003-01-01	8299000000
2004-01-01	10560000000
2005-01-01	11580000000
2006-01-01	14614000000
2007-01-01	17338000000
2008-01-01	15778000000
2009-01-01	10811000000
2010-01-01	13393000000
2011-01-01	13408000000
2012-01-01	13443000000
2013-01-01	13814000000