Year % (cumulative) 2004 16.2374000549316 2005 16.6186294555664 2006 11.8892698287964 2007 14.401909828186 2008 15.1543502807617 2009 14.2596302032471 2010 15.1590995788574 2011 15.4950504302979 2012 16.1840305328369 2013 17.4197292327881 2014 18.3889198303223 2015 18.1852493286133 2016 18.6684799194336 2018 19.6499996185303 2019 19.9409408569336 2020 20.6706199645996 2022 24.6528968811035