Year % (cumulative) 1970 11.6359996795654 1985 8.75471973419189 2001 28.8849697113037 2002 49.2558784484863 2003 51.889778137207 2004 52.2067985534668 2005 53.4396018981934 2006 54.5767097473145 2007 54.1706886291504 2008 57.0840110778809 2009 59.1627616882324 2010 60.228199005127 2011 60.2573318481445 2012 63.4267196655273 2013 41.3720092773438 2014 65.7955017089844 2015 66.6492614746094 2016 39.7840309143066 2017 62.2805786132812 2018 42.2499847412109 2019 76.6795501708984 2020 50.6020812988281 2021 73.7317199707031 2022 43.1989555358887