Year	per 1,000 population at risk
2000	29.4616920299817
2001	28.3554902680867
2002	22.6328139433729
2003	33.9599635062271
2004	19.6009467905417
2005	26.4679777382062
2006	21.8612800164897
2007	21.2789874062307
2008	11.1531165673675
2009	5.72588998384363
2010	2.40005093773512
2011	2.09375453037419
2012	0.957589913386246
2013	0.599202311922253
2014	0.43850623707754
2015	0.199979882263341
2016	0.095231824829876
2017	0.0660642840254243
2018	0
2019	0
2020	0
2021	0
2022	1.59163633266637