Year % (cumulative) 2002 0 2005 0 2011 9.99767017364502 2012 11.884690284729 2013 11.0115442276001 2014 10.4372062683105 2015 12.733491897583 2016 12.5154867172241 2017 13.2642641067505 2018 14.0673980712891 2019 15.5862445831299