Year National Currency 2007-01-01 708000000 2008-01-01 635000000 2009-01-01 571000000 2010-01-01 263000000 2011-01-01 161000000 2012-01-01 525000000 2013-01-01 12314000000 2014-01-01 42722000000 2015-01-01 49139000000 2016-01-01 49630000000