Year annual % 2007 6.283840200476519 2008 7.3414594434715355 2009 -7.147808635399272 2010 1.6487760761274046 2011 4.6667179453006895 2012 -1.9887047186264937 2013 3.76135790664911 2014 1.0660562077645608 2015 4.2484801237328185 2016 1.6126136319854538 2017 6.016169076485767 2018 4.167014935585627 2019 4.031740893195817 2020 -14.78673593827186 2021 13.985031622022689 2022 6.6040239841398005 2023 5.093143292884022