Year	National Currency
1980-01-01	28424043461.5
1981-01-01	28474589913.2
1982-01-01	29326322071.4
1983-01-01	30720194929.4
1984-01-01	31970563878.0
1985-01-01	33287927991.1
1986-01-01	33455304763.4
1987-01-01	33138733715.7
1988-01-01	35054519802.0
1989-01-01	37309016014.8
1990-01-01	38327369193.5
1991-01-01	37743973342.3
1992-01-01	37065352777.8
1993-01-01	35687306249.2
1994-01-01	37298924506.9
1995-01-01	38606863952.1
1996-01-01	39113097645.1
1997-01-01	41582880137.0
1998-01-01	42728250167.0
1999-01-01	43031669411.0
2000-01-01	45003844344.0
2001-01-01	45153297127.0
2002-01-01	44860510095.0
2003-01-01	44365008917.0
2004-01-01	46025238775.0
2005-01-01	46276499999.0
2006-01-01	46451429971.0
2007-01-01	47961605220.0
2008-01-01	47538021926.0
2009-01-01	43417538446.0
2010-01-01	45080727269.0