Year	per 1,000 population at risk
2000	8.95828309621413
2001	6.7878193108202
2002	6.42016407085959
2003	7.26841533174497
2004	5.67721869541136
2005	8.0069058917181
2006	4.23645864182348
2007	4.12096620807709
2008	2.56030951297223
2009	1.18093709203467
2010	0.674906525446226
2011	0.316649148345728
2012	0.141892763469063
2013	0.0840922660342928
2014	0.0781536006186475
2015	0.0362450163102573
2016	0.0157825169168853
2017	0.0270753235501164
2018	0.0113798008534851
2019	0
2020	0
2021	0
2022	0