Year	National Currency
2004-01-01	1639622000
2005-01-01	1989281000
2006-01-01	2393740000
2007-01-01	2646260000
2008-01-01	3537702000
2009-01-01	4435101000
2010-01-01	5288457000
2011-01-01	5452322000
2012-01-01	5466299000
2013-01-01	6052000000
2014-01-01	5423000000
2015-01-01	4914000000
2016-01-01	4461000000