Year	per 1,000 population at risk
2000	66.3315684163068
2001	65.0362123704452
2002	63.7817571688963
2003	62.5436304000842
2004	61.3107713273934
2005	60.0928320873047
2006	58.8878341144912
2007	57.693398757333
2008	56.5030899010278
2009	55.3220035082094
2010	55.6961330683024
2011	37.0945765448736
2012	72.8066344023034
2013	76.0030483576473
2014	3.08279178071457
2015	2.5800585032374
2016	1.96587656385682
2017	5.11511637677506
2018	19.5616974081331
2019	22.2494456286205
2020	5.63903712138691
2021	12.8245854252244
2022	24.7079856687708