{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"UN SDG Global Database (open, attribution requested)","slug":"lake-water-quality-trophic-state-percent","source":"United Nations Statistics Division, SDG Global Database","source_url":"https://unstats.un.org/sdgs/dataportal/database?series=EN_LKW_QLTRST","title":"Lake water quality trophic state (%)","unit":"%"},"observations":[{"date":"2017-01-01","value":0.24386},{"date":"2018-01-01","value":0.39528},{"date":"2019-01-01","value":0.27936},{"date":"2020-01-01","value":0.34699},{"date":"2021-01-01","value":0.2754}],"summary":{"latest_period":"2021-01-01","latest_value":0.2754,"max":0.39528,"mean":0.308178,"min":0.24386,"of":132,"rank":84,"trend":"flat"}}