Year	National Currency
2004-01-01	17999588000
2005-01-01	18637300400
2006-01-01	21686238800
2007-01-01	24422325600
2008-01-01	29496953900
2009-01-01	27883362000
2010-01-01	29491547000
2011-01-01	30567497000
2012-01-01	32127861000
2013-01-01	33523498000
2014-01-01	34555162000
2015-01-01	37953269000
2016-01-01	39790718000
2017-01-01	42085765000