Year	per 100,000 population
2000	20.81189419886947
2001	21.136966820524933
2002	21.31646428473202
2003	20.564908486251827
2004	20.14777983889561
2005	20.305043954769456
2006	20.18825953489885
2007	20.282775987629016
2008	19.979473994643246
2009	20.03038024247787
2010	19.933675754553324
2011	20.136233879943916
2012	19.708863250563684
2013	19.171209198953846
2014	18.47554164883484
2015	18.190565765281875
2016	18.02327022394293
2017	17.95763018944087
2018	17.776335139544233
2019	17.67090878535655
