Year	National Currency
1980-01-01	14932354651.3
1981-01-01	15324348208.5
1982-01-01	16023843283.2
1983-01-01	16824332737.2
1984-01-01	17633050787.8
1985-01-01	18983825478.5
1986-01-01	19538876735.8
1987-01-01	19685779815.0
1988-01-01	20682278882.3
1989-01-01	22005603477.1
1990-01-01	23721637191.3
1991-01-01	24807998578.0
1992-01-01	25054676696.9
1993-01-01	25074150062.3
1994-01-01	25935498711.2
1995-01-01	26277426420.8
1996-01-01	26474594349.9
1997-01-01	27069997262.7
1998-01-01	27553685716.6
1999-01-01	28226039417.7
2000-01-01	28862885759.5
2001-01-01	30058748966.8
2002-01-01	30146730331.7
2003-01-01	29905257123.7
2004-01-01	30276910888.9
2005-01-01	30318794611.4
2006-01-01	31140182142.3
2007-01-01	32180259046.0
2008-01-01	32836625274.4
2009-01-01	31392927191.7
2010-01-01	31534568761.0