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*Comparing years 2014 and 2017—Relative Risk Reduction (RR) and 95% Confidence Interval (CI) 0.658 (0.45–0.96) p = 0.031, ** Comparing years 2015–2017—RR 0.84 (0.73–0.97) p = 0.016. *** Comparing 2016 and 2017 RR 0.91 (0.78–1.06) p = 0.22.
