Year	Percent Change
2007-01-01	42.3952
2008-01-01	31.3838
2009-01-01	33.0451
2010-01-01	26.9471
2011-01-01	21.3092
2012-01-01	9.0477
2013-01-01	9.6112
2014-01-01	8.1213
2015-01-01	3.1012
2016-01-01	9.6970
2017-01-01	4.0976
2018-01-01	10.6621
2019-01-01	9.0000