Year % 2005 0.993470630559824 2008 1.55697368984839 2009 3.50865701820859 2010 3.95483378788783 2011 3.9618682056152 2012 3.58628400773794 2013 3.11174173873799 2014 1.65439245472471 2015 1.01450855087338 2016 1.68730158721445 2017 1.35974413009585 2018 1.09642089877808 2019 1.01809935046033 2020 0.983324631071678 2021 0.969313241858253 2022 0.974303900703948