Year	National Currency
2008-01-01	5161630000000
2009-01-01	8936050000000
2010-01-01	12768660000000
2011-01-01	19107300000000
2012-01-01	25566000000000
2013-01-01	35424300000000
2014-01-01	40290480000000
2015-01-01	48290720000000
2016-01-01	59745320000000
2017-01-01	66939301000000