Year % (cumulative) 2006 0.284218996763229 2007 0.238625228404999 2008 0.282881379127502 2009 0.315800368785858 2010 0.333272814750671 2011 0.306420475244522 2012 0.299184232950211 2013 30.6453304290771 2014 31.5213794708252 2015 32.465950012207 2016 32.8506393432617 2017 35.6448783874512 2018 36.5630149841309 2019 36.8619995117188 2020 38.5336685180664 2021 40.3261184692383 2022 41.2547912597656