Year	Percent
2008-01-01	12.250420244813900
2009-01-01	1.559800981485360
2010-01-01	0.878936755572811
2011-01-01	0.877346595685083
2012-01-01	0.662268900269082
2013-01-01	1.101118363757060
2014-01-01	2.346268656716430
2015-01-01	4.069966083615980
2016-01-01	1.615925038702550
2017-01-01	1.968875568157990