Year 2000 = 100 2008 355.8399812 2009 292.5854747 2010 319.3159258 2011 340.0195718 2012 332.3984549 2013 443.434068 2014 454.9736932 2015 446.7033185 2016 510.5718346 2017 563.8184463 2018 608.7384723