Year	% (cumulative)
2005	11.6097002029419
2006	11.7443704605103
2007	11.2431802749634
2008	11.6305704116821
2012	11.1924600601196
2013	11.3211898803711
2015	13.0896301269531
2017	15.1029396057129
2018	15.7584400177002