Table 2.

Results of the binomial test comparing the total number of cases per year using the Bonferroni adjustment for p-values.

Comparing years	Binomial test	Adjusted p-value
2018 vs. 2019	Z = −0.59	p = 0.999
2018 vs. 2020	Z = −2.46	p = 0.084
2018 vs. 2021	Z = −6.84	p < 0.001
2019 vs. 2020	Z = −1.97	p = 0.288
2019 vs. 2021	Z = −6.70	p < 0.001
2020 vs. 2021	Z = −4.92	p < 0.001