Year	National Currency
1980-01-01	12598940175.1
1981-01-01	14995837610.7
1982-01-01	17765535303.8
1983-01-01	23452871754.8
1984-01-01	27993311374.7
1985-01-01	31680547453.5
1986-01-01	35686663131.6
1987-01-01	40082400785.6
1988-01-01	46142961456.4
1989-01-01	52179093382.0
1990-01-01	58667396722.0
1991-01-01	64334761755.0
1992-01-01	71788323332.0
1993-01-01	73572614069.0
1994-01-01	77761505180.0
1995-01-01	82307933919.0
1996-01-01	88617797418.0
1997-01-01	93932890980.0
1998-01-01	95632703856.0
1999-01-01	102245474658.0
2000-01-01	110271855050.0
2001-01-01	115389953318.0
2002-01-01	123621437741.0
2003-01-01	129302870082.0
2004-01-01	135969534731.0
2005-01-01	142770505391.0
2006-01-01	150734966632.0
2007-01-01	160075229703.0
2008-01-01	164273542487.0
2009-01-01	160768972014.0
2010-01-01	164681907099.0
