Year	% of new cases
2000	68
2001	68
2002	74
2003	71
2004	69
2005	72
2006	18
2007	74
2008	37
2009	41
2010	48
2011	27
2012	45
2013	23
2014	34
2016	27
2017	25
2018	50
2019	69
2020	53
2021	67