Year	% of new cases
2000	75
2001	73
2002	74
2003	74
2004	76
2005	77
2006	75
2007	76
2008	76
2009	75
2010	74
2011	73
2012	76
2013	76
2014	76
2015	77
2016	77
2017	76
2018	75
2019	75
2020	72
2021	69