Year	National Currency
2000-01-01	21069086341.6
2001-01-01	22712139039.9
2002-01-01	23276400076.1
2003-01-01	23932480905.0
2004-01-01	24321842832.1
2005-01-01	25560498948.0
2006-01-01	26798115028.2
2007-01-01	28347262297.9
2008-01-01	27599514943.8
2009-01-01	25148184131.2
2010-01-01	24481486305.9