{"entity":{"iso2":"ST","iso3":"STP","name":"Sao Tome and Principe","slug":"sao-tome-and-principe"},"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":"1982-01-01","value":65.625},{"date":"1983-01-01","value":-86.7924},{"date":"1985-01-01","value":-96.1538},{"date":"1986-01-01","value":433.333},{"date":"1987-01-01","value":-62.5},{"date":"1988-01-01","value":-97.2222}],"summary":{"latest_period":"1988-01-01","latest_value":-97.2222,"max":433.333,"mean":26.0483,"min":-97.2222,"of":191,"rank":113,"trend":"volatile"}}