Year % (cumulative) 1970 7.65089988708496 1974 10.9440202713013 1979 14.1635303497314 1986 16.4014301300049 1987 17.0955104827881 1988 17.5904998779297 1989 18.0661792755127 1990 18.8846893310547 1991 19.266019821167 1992 21.218900680542 1993 21.9599304199219 1994 22.7009906768799 1995 23.7889194488525 2004 34.3271789550781 2005 35.401481628418 2006 36.3956184387207 2007 37.3792686462402 2008 34.3523292541504 2009 35.2921295166016 2010 36.221981048584 2011 37.1398391723633 2012 38.0163307189941 2013 38.8823699951172 2014 39.7075805664062 2015 40.5321388244629 2016 41.3946495056152 2017 42.2376098632812 2018 52.9245643615723 2019 44.0300483703613 2020 55.9695091247559 2021 54.4576606750488 2022 55.9418106079102