Year % 2008 97.9292267365662 2009 102.90404040404 2010 96.2333890697879 2011 101.045841071254 2012 85.3059318075666 2013 87.8387364921031 2014 97.3859171955274 2015 99.9869332287992 2016 104.149949849549 2017 89.835098409014 2018 91.3085488175209 2019 92.5713492760997 2020 99.7160001832257 2021 93.889927310488