Year % (cumulative) 2006 0 2007 0 2008 0.269760876893997 2009 0.301862299442291 2010 0.391175270080566 2011 0.442148119211197 2012 0.450368642807007 2013 26.3852691650391 2014 31.4951000213623 2015 33.0973510742188 2016 33.9425315856934 2017 34.5394706726074 2018 35.9517211914062 2019 37.3273239135742 2020 38.103458404541 2021 40.1166534423828 2022 41.4149131774902