Year	National Currency
1978-01-01	159000000
1979-01-01	170000000
1980-01-01	209000000
1981-01-01	199000000
1982-01-01	210000000
1983-01-01	302000000
1984-01-01	414000000
1985-01-01	752000000
1986-01-01	964000000
1987-01-01	1381000000
1988-01-01	1995000000
1989-01-01	1932000000
1990-01-01	1987000000
1991-01-01	3110000000
1992-01-01	3519000000
1993-01-01	6359000000
1994-01-01	10873000000
1995-01-01	10946000000
1996-01-01	13902000000
1997-01-01	11061000000
1998-01-01	15085000000
1999-01-01	18262000000
2000-01-01	13207000000
2001-01-01	7117000000
2002-01-01	9014000000
2003-01-01	4605000000
2004-01-01	1994000000
2005-01-01	1945000000
2006-01-01	2169000000
2007-01-01	2491000000
2008-01-01	2521000000
2009-01-01	3857000000
2010-01-01	4777000000