Year % (cumulative) 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 9.26996040344238 2015 10.8737936019897 2016 11.2416696548462 2017 11.2506694793701 2018 11.2642650604248 2019 11.2912034988403 2020 11.400691986084 2021 9.84996604919434 2022 10.2616767883301