Year % (cumulative) 2005 7.87363004684448 2006 8.03970050811768 2007 9.44419860839844 2008 8.86069202423096 2009 10.6015119552612 2010 10.8119630813599 2011 13.1147832870483 2012 13.84055519104 2013 13.6466760635376 2014 15.0206804275513 2015 16.1714878082275 2016 17.5837211608887 2017 17.8858242034912 2018 21.3841991424561 2019 18.3780651092529 2020 22.479829788208 2021 20.1716632843018 2022 20.6706123352051