Year	% of new cases
2000	70
2001	73
2002	73
2003	79
2004	73
2005	74
2006	72
2007	73
2008	70
2009	70
2010	73
2011	70
2012	75
2013	69
2014	76
2015	69
2016	69
2017	69
2018	67
2019	74
2020	69
2021	68