Year | Annual incidence rate* | IRR | 95% CI | P value |
2015 | 62.78 | 0.83 | 0.61 to 1.11 | >0.05 |
2016 | 79.00 | 1.04 | 0.79 to 1.38 | >0.05 |
2017 | 91.59 | 1.20 | 0.92 to 1.58 | >0.05 |
2018 | 84.20 | 1.12 | 0.84 to 1.46 | >0.05 |
2019 | 76.08 | Baseline | ||
2020 | 45.70 | 0.60 | 0.43 to 0.82 | <0.01 |
*Per 100 000 population.
IRR, incidence rate ratio.