Year % (cumulative) 2005 0.925184488296509 2006 0.865285992622375 2007 0.806738615036011 2008 0.717969000339508 2009 1.0807957649231 2010 1.06308698654175 2011 1.14323604106903 2012 0.520749986171722 2013 0.440930008888245 2014 0.397450000047684 2015 1.84458863735199 2016 5.12562036514282 2017 0.921570003032684 2018 1.2305999994278 2019 1.48959994316101 2021 3.03138589859009