Year	Percent Change
2000-01-01	8.8250
2001-01-01	11.6125
2002-01-01	15.6267
2003-01-01	16.8936
2004-01-01	13.4182
2005-01-01	13.4941
2006-01-01	13.4497
2007-01-01	18.2847
2008-01-01	15.5021
2009-01-01	8.4192
2010-01-01	10.3761
2011-01-01	10.1189
2012-01-01	8.3255
2013-01-01	18.3915
2014-01-01	17.0500
2015-01-01	16.4111
2016-01-01	18.6355
2017-01-01	39.3265
2018-01-01	19.9464
2019-01-01	19.7790