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Headline data

(a) Index of coastal eutrophication; and (b) plastic debris density
Year Value Units
2015 1.0 mg/l
2016 0.9 mg/l
2017 0.7 mg/l
2018 0.6 mg/l
2019 0.7 mg/l
2020 0.0 mg/l
2021 1.0 mg/l
2022 0.8 mg/l
2023 0.9 mg/l