Year	National Currency
2005-01-01	16788045100
2006-01-01	19222512900
2007-01-01	23735029200
2008-01-01	31254251800
2009-01-01	32215658200
2010-01-01	34446612800
2011-01-01	36202578800
2012-01-01	36110695700
2013-01-01	33969345600
2014-01-01	32187773100
2015-01-01	31942538000
2016-01-01	30016411300
2017-01-01	38796473700