Year	National Currency
2008-01-01	10233100
2009-01-01	19358300
2010-01-01	22580000
2011-01-01	29532900
2012-01-01	32620600
2013-01-01	33695500
2014-01-01	25684400
2015-01-01	23714000
2016-01-01	29791900