Year Number 2004-01-01 464.1368 2005-01-01 589.6630 2006-01-01 696.5809 2007-01-01 764.0314 2008-01-01 777.8054 2009-01-01 684.3251 2010-01-01 724.1741 2011-01-01 720.7838 2012-01-01 731.9392 2013-01-01 732.4786 2014-01-01 725.1262 2015-01-01 707.9653 2016-01-01 706.0711