Year	per 1,000 population at risk
2000	1.20861135591086
2001	0.883209931571866
2002	0.617685305591677
2003	0.544771396297157
2004	0.355700294836022
2005	0.53069028758731
2006	0.61676522060921
2007	0.137163758286977
2008	0.263778667088713
2009	0.4848394435535
2010	0.346825074714976
2011	0.0510371477525427
2012	0.0072044033313161
2013	0.156713015728288
2014	0.183125673515097
2015	0.0487590813789068
2016	0.33750740449918
2017	2.87974511192201
2018	0.0134669252316311
2019	0
2020	0
2021	0
2022	0