Year % (cumulative) 2000 11.6697797775269 2001 11.7199087142944 2002 12.3624124526978 2003 12.7224264144897 2004 13.7841863632202 2005 13.2879066467285 2006 15.9850006103516 2007 26.9733505249023 2008 27.0754909515381 2009 27.2760200500488 2010 27.2841396331787 2011 28.4934597015381 2012 17.4996700286865 2013 28.9271602630615 2014 29.1077308654785 2015 27.7875099182129 2016 16.8859119415283 2017 17.1050491333008 2018 28.2158298492432 2019 29.0158100128174 2020 29.253210067749 2021 29.2027606964111 2022 29.6619300842285