Year	National Currency
2004-01-01	18235000000
2005-01-01	18683000000
2006-01-01	18950000000
2007-01-01	19581000000
2008-01-01	20749000000
2009-01-01	21568000000
2010-01-01	23280000000
2011-01-01	25315000000
2012-01-01	28568000000
2013-01-01	31331000000
2014-01-01	33629000000
2015-01-01	38447000000