Year	% of new cases
2000	80
2001	76
2002	76
2003	70
2004	79
2005	78
2006	84
2007	84
2008	80
2009	81
2010	77
2011	89
2012	91
2013	89
2014	89
2015	84
2016	90
2017	96
2018	88
2019	90
2020	86
2021	87