Year	% of new cases
2002	70
2003	38
2004	33
2005	40
2006	31
2007	61
2008	58
2009	63
2010	76
2012	9
2013	44
2014	71
2015	10
2016	58
2017	66
2018	29
2019	24
2020	51
2021	46