Year	% of new cases
2000	61
2001	63
2002	64
2003	65
2004	63
2005	63
2006	63
2007	62
2008	69
2009	69
2010	67
2011	67
2012	67
2013	67
2015	65
2016	65
2017	65
2018	64
2019	73
2020	74
2021	74