Year National Currency 2004-01-01 1500000000 2005-01-01 2030000000 2006-01-01 2744000000 2007-01-01 4732000000 2008-01-01 3949000000 2009-01-01 4573000000 2010-01-01 5455000000 2011-01-01 5617000000 2012-01-01 6530000000 2013-01-01 10266000000 2014-01-01 13101000000 2015-01-01 16583000000