Year	Percent
2010-01-01	4.48798272270371
2011-01-01	4.07542638517688
2012-01-01	4.27456283553637
2013-01-01	4.60117932668551
2014-01-01	4.69058642155142
2015-01-01	4.70328686415655
2016-01-01	4.84196345414654
2017-01-01	4.57117776328624