Year % (cumulative) 2005 8.98527431488037 2006 9.17324829101562 2007 10.4209403991699 2008 9.9714241027832 2009 10.8680229187012 2010 12.3848857879639 2011 14.0971784591675 2012 14.5912265777588 2013 12.905198097229 2014 13.2400026321411 2015 14.3009653091431 2016 16.48366355896 2017 16.5503616333008 2018 20.856330871582 2019 16.6903190612793 2020 20.8648700714111 2021 18.6117744445801 2022 18.9432697296143