Year	National Currency
1975-01-01	10504537651.9
1976-01-01	10599092763.2
1977-01-01	10597308704.4
1978-01-01	11081680642.7
1979-01-01	12219910096.2
1980-01-01	13056633628.5
1981-01-01	13472319306.7
1982-01-01	13458938866.4
1983-01-01	13890681072.9
1984-01-01	14470500151.8
1985-01-01	15134169989.9
1986-01-01	15517742611.4
1987-01-01	16487378517.2
1988-01-01	17159968648.7
1989-01-01	17828990663.0
1990-01-01	17810258046.5
1991-01-01	15829952884.5
1992-01-01	15912911614.4
1993-01-01	16697897444.4
1994-01-01	18655901872.4
1995-01-01	19761126239.9
1996-01-01	20455125075.9
1997-01-01	22239183780.3
1998-01-01	24128501948.3
1999-01-01	25948241827.0
2000-01-01	29164007641.7
2001-01-01	30555573431.2
2002-01-01	31709859412.9
2003-01-01	32584048178.0
2004-01-01	34081765460.4
2005-01-01	35253000000.0
2006-01-01	39242155262.9
2007-01-01	43142107590.0
2008-01-01	43018115511.0
2009-01-01	35377884109.3
2010-01-01	37599037196.1