Year % (cumulative) 2006 0.960907161235809 2007 1.00358200073242 2008 0.989085078239441 2009 1.07093644142151 2010 1.10243928432465 2011 1.01876890659332 2012 1.06229543685913 2013 28.3882904052734 2014 29.3326206207275 2015 25.1243190765381 2016 26.1183948516846 2017 33.9221305847168 2018 27.8820743560791 2019 29.0026969909668 2020 37.2764701843262 2021 39.5936584472656