Year Number 2009-01-01 959.8367 2010-01-01 980.3467 2011-01-01 976.7304 2012-01-01 961.0902 2013-01-01 850.6516 2014-01-01 1080.0808 2015-01-01 1171.7209 2016-01-01 1222.2957