Year	% of new cases
2000	89
2001	90
2002	89
2003	89
2004	88
2005	90
2006	90
2007	90
2008	90
2009	91
2010	91
2011	92
2012	91
2013	91
2014	91
2015	90
2016	90
2017	89
2018	88
2019	88
2020	88
2021	88