Year % (cumulative) 2005 60.7412605285645 2006 60.6100654602051 2007 61.6231231689453 2008 62.0379371643066 2009 63.5977783203125 2010 64.0829696655273 2011 68.1467666625977 2012 69.1363372802734 2013 70.1168212890625 2014 71.0925369262695 2015 72.3031921386719 2016 76.0001678466797 2017 74.9507904052734 2018 75.5587921142578 2019 73.8671493530273 2020 74.1449813842773 2021 79.7339630126953 2022 79.1531066894531