Year % (cumulative) 2002 8.97844982147217 2006 10.1652555465698 2007 10.3877897262573 2008 11.0947198867798 2009 11.4271097183228 2010 11.8532304763794 2011 12.7575902938843 2012 13.2501697540283 2013 13.5286197662354 2014 13.5352802276611 2015 14.4555702209473 2016 14.6070098876953 2017 14.6833896636963 2018 14.8731451034546 2019 15.3133096694946 2020 15.4889802932739 2021 15.446310043335 2022 16.0128002166748