Year	% of new cases
2000	89
2002	89
2003	86
2004	86
2005	83
2006	88
2007	88
2008	88
2009	87
2010	88
2011	81
2012	89
2013	89
2014	86
2015	88
2016	87
2017	88
2018	88
2019	89
2020	88
2021	87