Year	% of new cases
2000	71
2001	73
2002	75
2003	75
2004	73
2005	77
2006	77
2007	77
2009	77
2010	79
2011	82
2012	81
2013	81
2014	78
2015	80
2016	82
2017	78
2018	82
2019	84
2020	82
2021	82