Year % (cumulative) 2006 0.0977615192532539 2007 0.112742446362972 2008 0.14110192656517 2009 0.12715770304203 2010 0.15314881503582 2011 0.282064110040665 2012 0.318882942199707 2013 0.31477689743042 2014 13.2559452056885 2015 13.539891242981 2016 13.6098384857178 2017 14.1792364120483 2018 14.8238334655762 2019 15.0208425521851 2020 15.2421998977661 2021 14.694278717041 2022 14.7746381759644