{"entity":{"iso2":"MW","iso3":"MWI","name":"Malawi","slug":"malawi"},"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":"1977-01-01","value":-45.5},{"date":"1978-01-01","value":26.5826},{"date":"1979-01-01","value":36.9342},{"date":"1980-01-01","value":-21.2189},{"date":"1981-01-01","value":-37.4282},{"date":"1982-01-01","value":44.5268},{"date":"1983-01-01","value":-28.6394},{"date":"1984-01-01","value":-25.1783},{"date":"1985-01-01","value":78.8785},{"date":"1986-01-01","value":-3.15028},{"date":"1987-01-01","value":44.3177},{"date":"2001-01-01","value":-100.0}],"summary":{"latest_period":"2001-01-01","latest_value":-100.0,"max":78.8785,"mean":-2.4896,"min":-100.0,"of":191,"rank":128,"trend":"volatile"}}