Year % (cumulative) 2002 10.7263698577881 2005 11.1142539978027 2006 11.1825323104858 2007 12.4177284240723 2008 11.6225910186768 2009 13.4491586685181 2010 13.6219816207886 2011 15.7031259536743 2012 16.2972145080566 2013 16.287202835083 2014 17.618236541748 2015 18.9857692718506 2016 20.1830005645752 2017 20.247802734375 2018 20.032341003418 2019 20.6977558135986 2020 22.5300102233887 2021 22.7017803192139 2022 23.3038082122803