Year	% of new cases
2000	76
2002	83
2003	82
2004	81
2005	74
2006	77
2007	80
2008	81
2009	83
2010	82
2011	82
2012	80
2013	80
2014	80
2015	80
2016	79
2017	77
2018	76
2019	72
2020	71
2021	71