Year	% of new cases
2001	50
2002	50
2003	65
2004	71
2005	75
2006	76
2007	77
2008	81
2009	79
2010	77
2011	69
2012	93
2013	74
2014	73
2015	77
2016	77
2017	78
2018	80
2019	82
2020	82
2021	82