Year % 2001 2.572732804706843 2002 2.7961238072862376 2003 1.0984183737408602 2004 1.724397363163823 2005 1.1978108919813415 2006 0.9350301463181481 2007 1.8246918141883248 2008 3.8335591087083376 2009 2.979251940661849 2010 2.8662626242598135 2011 3.5796291906528235 2012 5.271089136156943 2013 6.175863588061756 2014 5.064096400391114 2015 10.718978111514511 2016 14.28705038118426 2017 12.894394488743371 2018 8.900031362310484 2019 9.83248924157101 2020 5.742822947466212 2021 6.926422120053596 2022 6.235155142893599 2023 6.064117993115035