Year	per 1,000 population at risk
2000	78.1262505465788
2001	77.9847067384309
2002	75.08902879929327
2003	75.43321658711565
2004	75.56817558102178
2005	74.95192429253258
2006	70.89557046328042
2007	68.91637139842496
2008	67.50487536437042
2009	66.67624854919096
2010	64.66155487648594
2011	61.01577426437842
2012	56.93564417252324
2013	53.10881077277854
2014	52.22774970069733
2015	51.788535338353185
2016	51.592835384954114
2017	50.867063561226466
2018	49.76896025179752
2019	49.27895271380875
2020	50.717721732115855
2021	50.55600456052
2022	51.278603300677815