Year	National Currency
1998-01-01	134662000000
1999-01-01	134388000000
2000-01-01	135437000000
2001-01-01	144575000000
2002-01-01	161678000000
2003-01-01	188372000000
2004-01-01	244783000000
2005-01-01	313310000000
2006-01-01	390949000000
2007-01-01	629743000000
2008-01-01	960727000000
2009-01-01	1018198000000
2010-01-01	933474000000
2011-01-01	988997000000
2012-01-01	915782000000
2013-01-01	945808000000