Year	Percent Change From Preceding Period
2004-01-01	105.3409290426310
2005-01-01	58.2552271401278
2006-01-01	76.3551801452585
2007-01-01	72.7926318876357
2008-01-01	142.6598696560040
2009-01-01	41.1029227470014
2010-01-01	17.9617947465483
2011-01-01	17.0602409017248
2012-01-01	25.2218061674009
2013-01-01	26.4716177637215
2014-01-01	22.9772702421968
2015-01-01	17.4135489442230
2016-01-01	29.2600687253277
2017-01-01	11.2623539560441