Year % (cumulative) 1985 42 1990 48.5795402526855 2006 77.1929016113281 2007 77.9362716674805 2008 78.2726364135742 2009 79.3102416992188 2010 80.4200592041016 2011 81.8024978637695 2012 82.5706634521484 2013 83.6887130737305 2014 84.2365646362305 2015 85.0376663208008 2016 84.2623291015625 2017 86.6410522460938 2018 87.2985687255859 2019 88.1361083984375 2020 89.1465148925781 2021 89.533576965332 2022 91.5996780395508