Year	% of new cases
2001	100
2002	38
2003	80
2004	100
2005	100
2006	67
2009	84
2010	84
2011	63
2012	100
2013	88
2014	57
2015	86
2016	83
2017	80
2018	82
2019	100
2020	90
2021	100