Year % 2007 102.8647 2008 108.1891 2009 101.4614 2010 105.146 2011 100.0785 2012 106.1823 2013 101.5583 2014 97.5718 2015 96.0622 2016 99.2791 2017 95.8282 2018 92.3371 2019 102.7183 2020 83.9978911484768 2021 87.8732081980988