Year	National Currency
1981-01-01	293306479092
1982-01-01	296768341728
1983-01-01	300771100385
1984-01-01	312583431473
1985-01-01	324323358629
1986-01-01	332920597067
1987-01-01	346156787398
1988-01-01	361325923208
1989-01-01	372935679110
1990-01-01	383959055600
1991-01-01	390202220852
1992-01-01	392844580146
1993-01-01	396263971153
1994-01-01	406446378250
1995-01-01	422713721633
1996-01-01	428513921962
1997-01-01	437845756087
1998-01-01	446436166252
1999-01-01	451653528529
2000-01-01	476649225802
2001-01-01	489910218472
2002-01-01	492432455962
2003-01-01	492750946117
2004-01-01	499389843756
2005-01-01	506779429860
2006-01-01	516669747127
2007-01-01	526779823437
2008-01-01	522471574608
2009-01-01	498306621096
2010-01-01	507233231471