Year % (cumulative) 2005 44.2074584960938 2006 44.1389465332031 2007 46.7497138977051 2008 45.5068855285645 2009 47.7697448730469 2010 48.8029899597168 2011 50.4848327636719 2012 51.6957817077637 2013 53.5326614379883 2014 54.6277961730957 2015 55.5213470458984 2016 56.6576652526855 2017 57.832275390625 2018 49.7300300598145 2019 59.9848747253418 2020 61.677791595459 2021 62.466178894043 2022 63.7816619873047