Year	% of new cases
2000	45
2001	58
2002	63
2003	65
2004	49
2005	51
2006	54
2007	48
2008	51
2009	56
2010	56
2011	55
2012	54
2013	54
2014	53
2015	53
2016	70
2017	68
2018	66
2019	66
2020	65
2021	64