{"entity":{"iso2":"SM","iso3":"SMR","name":"San Marino","slug":"san-marino"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"pertussis-number-of-reported-cases-annual-growth-rate","source":"Statizoid (derived)","source_url":null,"title":"Pertussis - number of reported cases, annual growth rate","unit":"% change on previous year"},"observations":[{"date":"1975-01-01","value":-80.3738},{"date":"1976-01-01","value":-14.2857},{"date":"1977-01-01","value":-66.6667},{"date":"1978-01-01","value":200.0},{"date":"1979-01-01","value":27.7778},{"date":"1980-01-01","value":-69.5652},{"date":"1981-01-01","value":-57.1429},{"date":"1982-01-01","value":66.6667},{"date":"2017-01-01","value":-100.0},{"date":"2025-01-01","value":-100.0}],"summary":{"latest_period":"2025-01-01","latest_value":-100.0,"max":200.0,"mean":-19.359,"min":-100.0,"of":191,"rank":128,"trend":"volatile"}}