Year	% of new cases
2000	90
2001	86
2002	89
2003	87
2004	89
2005	83
2006	80
2007	84
2008	84
2009	85
2010	90
2011	90
2012	90
2013	88
2014	88
2015	85
2016	89
2017	56
2018	67
2019	82
2020	86
2021	85