Year	% of new cases
2000	82
2001	67
2002	45
2003	100
2004	89
2007	86
2008	100
2009	73
2010	76
2011	48
2012	85
2013	79
2014	69
2015	88
2016	60
2017	56
2018	67
2019	57
2020	78
2021	45