{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY 4.0 (Eurostat)","slug":"vaccination-against-influenza-of-population-aged-65-and-over","source":"Eurostat","source_url":"https://ec.europa.eu/eurostat/databrowser/view/hlth_ps_immu","title":"Vaccination against influenza of population aged 65 and over","unit":"Percentage"},"observations":[{"date":"2008-01-01","value":4.8},{"date":"2014-01-01","value":2.4},{"date":"2019-01-01","value":3.5},{"date":"2020-01-01","value":5.8},{"date":"2021-01-01","value":8.9},{"date":"2022-01-01","value":10.4},{"date":"2023-01-01","value":15.2},{"date":"2024-01-01","value":19.4}],"summary":{"latest_period":"2024-01-01","latest_value":19.4,"max":19.4,"mean":8.8,"min":2.4,"of":45,"rank":31,"trend":"volatile"}}