Year	National Currency
2004-01-01	707005000000
2005-01-01	1444400000000
2006-01-01	2501422000000
2007-01-01	2405962000000
2008-01-01	4101468000000
2009-01-01	4765725000000
2010-01-01	8597321000000
2011-01-01	12068559000000
2012-01-01	19827451000000
2013-01-01	22654873000000
2014-01-01	24838678000000
2015-01-01	25116081000000
2016-01-01	24770968000000
2017-01-01	25779408000000