Year	per 1,000 population at risk
2000	330.432425850495
2001	322.670462807767
2002	293.255700248044
2003	248.700302815297
2004	187.827338738701
2005	147.368298347519
2006	134.578651797563
2007	129.230455537388
2008	153.188981348494
2009	197.024327171611
2010	233.910835395841
2011	255.254724964739
2012	257.997882076871
2013	249.884608874024
2014	240.592214474377
2015	233.621409137809
2016	228.331238621689
2017	228.144835916018
2018	227.907967657111
2019	228.369638641243
2020	230.208154767591
2021	228.918421017786
2022	230.535985113903