Year	Percent Change
2000-01-01	217.7417
2001-01-01	54.3195
2002-01-01	29.6979
2003-01-01	27.1675
2004-01-01	47.8280
2005-01-01	55.5231
2006-01-01	37.7908
2007-01-01	46.8941
2008-01-01	38.7022
2009-01-01	40.8456
2010-01-01	52.4047
2011-01-01	32.3438
2012-01-01	29.2328
2013-01-01	22.4873
2014-01-01	15.8346
2015-01-01	24.2313
2016-01-01	23.5082
2017-01-01	40.3394
2018-01-01	19.0089
2019-01-01	17.8434