Year	Percent Change
2000-01-01	69.2621
2001-01-01	40.0087
2002-01-01	55.2813
2003-01-01	42.0155
2004-01-01	51.5529
2005-01-01	30.1706
2006-01-01	63.3895
2007-01-01	78.8087
2008-01-01	-2.3811
2009-01-01	40.7388
2010-01-01	18.5893
2011-01-01	33.0743
2012-01-01	19.5502
2013-01-01	19.7269
2014-01-01	7.0671
2015-01-01	18.6725
2016-01-01	37.0589
2017-01-01	21.8381
2018-01-01	19.5250
2019-01-01	16.8405