Year 2000 = 100 2008 173.6494215 2009 156.6424691 2010 168.5507311 2011 192.4858039 2012 189.6049204 2013 185.9234801 2014 183.8557684 2015 162.2333359 2016 155.1868247 2017 164.1707018 2018 175.599237