Year	National Currency
2004-01-01	4290000000
2005-01-01	5222000000
2006-01-01	6977000000
2007-01-01	7423000000
2008-01-01	7003000000
2009-01-01	5536000000
2010-01-01	4776000000
2011-01-01	4504000000
2012-01-01	4070000000
2013-01-01	3851000000
2014-01-01	3774000000
2015-01-01	3515000000
2016-01-01	3810000000