Year % (cumulative) 2000 4.62959337234497 2001 4.94427633285522 2002 4.92747211456299 2003 5.43017721176147 2004 13.0654497146606 2005 6.91298389434814 2006 14.5064001083374 2007 15.2270002365112 2008 16.2275505065918 2009 18.4904899597168 2010 18.8472309112549 2011 20.5406894683838 2012 22.4021701812744 2013 21.346549987793 2014 21.7824001312256 2015 22.6231098175049 2016 23.1644706726074 2017 24.3703498840332 2018 26.7421798706055 2019 21.7079277038574 2020 29.9524192810059 2021 23.6245098114014 2022 31.6010894775391