Year	per 100,000 people
2005	29
2006	31
2007	27
2008	24
2009	21
2010	20
2011	20
2012	18
2013	22
2014	21
2015	15
2016	16
2017	14
2018	15
2019	15
2020	14
2021	14
2022	14