Year % (cumulative) 1989 13.0115203857422 2004 34.4117317199707 2005 34.5056915283203 2006 38.3315505981445 2007 31.9426708221436 2008 34.8953704833984 2009 36.1592788696289 2010 38.4368209838867 2011 40.6132888793945 2012 42.5324211120605 2013 44.7640609741211 2014 45.1827201843262 2015 45.6312103271484 2016 47.0979194641113 2017 47.8524055480957 2018 51.2003593444824 2019 55.6171989440918 2020 58.1323738098145 2021 53.2173919677734 2022 55.2850189208984