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. 2023 May 11;14(5):453. doi: 10.3390/insects14050453

Table 1.

Number of beekeepers surveyed, number of colonies before the winters, overall winter loss rate, and confidence interval (95%) for the loss rate in the winters of 2016–2017 to 2021–2022.

Winter Surveyed Beekeepers Number of Colonies Before Each Winter Overall Winter % Loss Rate (95% CI)
2016–2017 44 7928 20.2 (15.2–25.2)
2017–2018 104 17,341 20.4 (17.3–23.5)
2018–2019 120 9305 14.9 (13.0–16.8)
2019–2020 83 10,966 30.0 (25.8–34.1)
2020–2021 94 12,872 23.2 (20.8–25.6)
2021–2022 99 16,929 22.3 (19.8–24.7)