Year	% of new cases
2000	77
2001	67
2002	69
2003	71
2004	71
2005	73
2006	44
2007	77
2008	78
2009	76
2010	76
2011	73
2012	74
2013	67
2014	63
2015	65
2016	70
2017	71
2018	71
2019	69
2020	74
2021	67