Year Number 2008-01-01 1698.6881 2009-01-01 2094.5516 2010-01-01 2005.8808 2011-01-01 2059.8825 2012-01-01 2147.3718 2013-01-01 2240.0561 2014-01-01 2314.5413 2015-01-01 2092.3599 2016-01-01 2158.7278