Year 2000 = 100 2008 655.6453786 2009 432.4288063 2010 450.9433845 2011 535.2171382 2012 509.9674212 2013 553.7857451 2014 555.1306925 2015 481.6922662 2016 509.2832121 2017 591.4093236 2018 697.4523015