Year	per 1,000 population at risk
2000	30.537243842752318
2001	29.527668183158525
2002	27.401884585318438
2003	27.65239586679601
2004	27.736861532294835
2005	26.26597040455899
2006	23.396784755712247
2007	21.889714775020067
2008	21.054827273829112
2009	23.43001884032026
2010	24.372539980063195
2011	22.363829012475982
2012	21.790382998888074
2013	20.523879557172453
2014	19.884384281782843
2015	18.837950289168386
2016	17.278942485114865
2017	16.246984472915887
2018	11.46656530697727
2019	10.210777399032365
2020	9.754041268828365
2021	8.648789929083096
2022	9.662877111969275