Year National Currency 2004-01-01 1608000000 2005-01-01 2264000000 2006-01-01 2041000000 2007-01-01 933000000 2008-01-01 857000000 2009-01-01 671000000 2010-01-01 859000000 2011-01-01 964000000 2012-01-01 1287000000