Year	National Currency
2007-01-01	6147033000
2008-01-01	8027456000
2009-01-01	10089517000
2010-01-01	11916346000
2011-01-01	13953221000
2012-01-01	15577000000
2013-01-01	22263000000
2014-01-01	26173000000
2015-01-01	29440000000
2016-01-01	29728000000