Year	National Currency
1981-01-01	67380312473
1982-01-01	68618052829
1983-01-01	68566174838
1984-01-01	65658994259
1985-01-01	64538120692
1986-01-01	63631881995
1987-01-01	63936689462
1988-01-01	65479351086
1989-01-01	68288570568
1990-01-01	69836544819
1991-01-01	71471066942
1992-01-01	70894796837
1993-01-01	66871248442
1994-01-01	63161704867
1995-01-01	63945987945
1996-01-01	65153920005
1997-01-01	63765731626
1998-01-01	63917403164
1999-01-01	64335835344
2000-01-01	67365123473
2001-01-01	71163778932
2002-01-01	72767013652
2003-01-01	74458009741
2004-01-01	75588931720
2005-01-01	77198085515
2006-01-01	78553630367
2007-01-01	78952381277
2008-01-01	76715800113
2009-01-01	70814104057
2010-01-01	68375590129