Year	National Currency
1998-01-01	798060097820
1999-01-01	820528626016
2000-01-01	877675877689
2001-01-01	957747290978
2002-01-01	1032109447438
2003-01-01	1100114479316
2004-01-01	1168876459591
2005-01-01	1233685885886
2006-01-01	1336876651527
2007-01-01	1460613194521
2008-01-01	1592780974533
2009-01-01	1541570414726
2010-01-01	1602837070467