Year % (cumulative) 2000 31.4300003051758 2001 33.2000007629395 2002 32.9799995422363 2003 34.0299987792969 2004 34 2005 36.7400016784668 2006 41.0900001525879 2007 42.6699981689453 2008 44.7000007629395 2009 46.4500007629395 2010 48.5099983215332 2011 50.5999984741211 2012 50.8600006103516 2013 53.4099998474121 2014 55.4300003051758 2015 59.6933784484863 2016 65.1763916015625 2017 61.3058128356934