Year Number 2008-01-01 1024.4745 2009-01-01 1073.5390 2010-01-01 874.0409 2011-01-01 822.0366 2012-01-01 1074.6658 2013-01-01 799.6022 2014-01-01 771.1209 2015-01-01 759.2651 2016-01-01 468.7444