Year % (cumulative) 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 1.5725120306015 2015 2.03175711631775 2016 1.91964197158813 2017 2.02920579910278 2018 2.03736734390259 2019 2.19987034797668 2020 2.13201975822449 2021 2.59201240539551 2022 2.74247527122498