Year	per million people
2006	348.65010923841027
2007	364.5225587022107
2008	397.9126269153228
2009	431.0673785289887
2010	453.48781187105675
2011	485.4311466577128
2012	512.1053430925955
2013	536.2988011232684
2014	560.7494519582484