Year	per 1,000 population at risk
2000	17.8492026344823
2001	22.1212895427037
2002	12.8847808609796
2003	18.6516117118102
2004	5.46226394609032
2005	9.77493632872037
2006	5.70745458566789
2007	12.8386340087104
2008	6.90902424962048
2009	8.96790026096927
2010	26.5178651134612
2011	23.9053239679882
2012	16.1357266626412
2013	14.9585892590236
2014	33.0048067881779
2015	19.16763023779
2016	25.7217289342633
2017	34.1272553800737
2018	28.9419958471852
2019	57.271341350136
2020	44.6259534943367
2021	25.6602193402116
2022	37.7599868839359