Year	National Currency
2007-01-01	16318837500
2008-01-01	166571320000
2009-01-01	473411500000
2010-01-01	732219900000
2011-01-01	1169150200000
2012-01-01	1537470672500
2013-01-01	1901571106300
2014-01-01	2371794000000
2015-01-01	2816099000000
2016-01-01	3355577000000