Year % (cumulative) 2001 11.7065696716309 2003 17.1612091064453 2006 19.1808338165283 2007 21.6766605377197 2008 21.9803905487061 2009 29.0531806945801 2010 28.9592800140381 2011 31.5756797790527 2012 32.8358192443848 2013 35.9080200195312 2014 39.9301490783691 2015 33.6345405578613 2016 37.110668182373 2017 35.4544143676758 2018 39.0120162963867 2019 41.6626434326172 2020 41.1342277526855 2021 44.8858833312988 2022 46.273006439209