Year	per 1,000 population at risk
2000	77.6123464491524
2001	44.2829783040397
2002	39.055234137476
2003	51.1047004443557
2004	43.5322820272932
2005	41.2489002143275
2006	45.6799906882594
2007	19.5935982390412
2008	21.6627304720339
2009	42.3295970244051
2010	34.5755258754935
2011	35.4989800002894
2012	24.7186971462404
2013	15.8197942075371
2014	22.2210947592007
2015	19.9526760238742
2016	11.1683185633384
2017	17.9986684096802
2018	23.8832552742203
2019	12.1486163649381
2020	3.71563672576113
2021	1.61543030829942
2022	1.47605726468405