Year	per 100,000 population
2000	19.90955060918999
2001	20.042422169064764
2002	20.21254853276579
2003	19.970143675953413
2004	19.831832887448734
2005	20.037333587626335
2006	20.07640809004274
2007	20.08612479975263
2008	19.9969308640761
2009	19.912502534088123
2010	19.947065931736088
2011	19.94644161799643
2012	19.67972703668854
2013	19.233200627414206
2014	18.83084848332835
2015	18.588597136581516
2016	18.465511129666282
2017	18.337717653261393
2018	18.319685175157137
2019	18.337673286541836