Year	National Currency
1970-01-01	353300000000
1971-01-01	405800000000
1972-01-01	472300000000
1973-01-01	536200000000
1974-01-01	602100000000
1975-01-01	689500000000
1976-01-01	782500000000
1977-01-01	889200000000
1978-01-01	1014200000000
1979-01-01	1129100000000
1980-01-01	1230451000000
1981-01-01	1356895000000
1982-01-01	1511643000000
1983-01-01	1647621000000
1984-01-01	1788789000000
1985-01-01	1927935000000
1986-01-01	2058939000000
1987-01-01	2221564000000
1988-01-01	2410010000000
1989-01-01	2659927000000
1990-01-01	2979949000000
1991-01-01	3204633000000
1992-01-01	3433178000000
1993-01-01	3651774000000
1994-01-01	3735799000000
1995-01-01	3937403000000
1996-01-01	4090345000000
1997-01-01	4265545000000
1998-01-01	4471128000000
1999-01-01	4708947000000
2000-01-01	4910328000000
2001-01-01	5446737000000
2002-01-01	5807825000000
2003-01-01	6180922000000
2004-01-01	6568176000000
2005-01-01	7130670000000
2006-01-01	7802022000000
2007-01-01	8691867000000
2008-01-01	9423408000000
2009-01-01	9381507000000
2010-01-01	9320853000000
2011-01-01	9535392000000
2012-01-01	9812161000000