Year	per 1,000 population at risk
2000	13.037962508633537
2001	10.797708394348136
2002	9.693853104750533
2003	9.355980409229575
2004	9.124975383107838
2005	9.987527591005703
2006	8.476059612978133
2007	7.522627342570503
2008	5.229612258473402
2009	5.095501792824609
2010	6.007589608152901
2011	4.461385819473923
2012	4.194010395798445
2013	4.072573180351876
2014	3.324302544493137
2015	3.9593433186513
2016	4.70623159823647
2017	6.3968772193197285
2018	6.22392678459723
2019	5.958253269350682
2020	4.25369253868921
2021	3.940029148845525
2022	3.5763211456825226