Year Number 2004-01-01 89.6376 2005-01-01 104.6048 2006-01-01 109.5033 2007-01-01 130.4011 2008-01-01 136.8036 2009-01-01 196.2506 2010-01-01 199.4850 2011-01-01 220.4778 2012-01-01 234.2080 2013-01-01 218.2018 2014-01-01 273.8809 2015-01-01 234.7028 2016-01-01 257.0072