Year	per million people
1996	914.627832613665
2004	1175.64087091594
2005	1178.822341872477
2006	1280.0564841856844
2007	1326.567751304018
2008	1331.8072682812358
2009	1386.4385872541718
2010	1385.0578104228675
2011	1511.228215979056
2013	1556.4679305250029
2015	1627.1955478764255
2017	1680.6214217708684