Year Number 2004-01-01 87.52336772 2005-01-01 84.36216632 2006-01-01 28.12012012 2007-01-01 26.22911195 2008-01-01 24.62651760 2009-01-01 17.97195536 2010-01-01 16.11657657 2011-01-01 15.35030215 2012-01-01 14.48201049 2013-01-01 16.75837519 2014-01-01 70.38782767