{"entity":{"iso2":"GM","iso3":"GMB","name":"Gambia","slug":"gambia-the"},"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":34.264},{"date":"1976-01-01","value":-86.2004},{"date":"1977-01-01","value":127.397},{"date":"1978-01-01","value":162.651},{"date":"1979-01-01","value":-45.1835},{"date":"1980-01-01","value":-34.3096},{"date":"1981-01-01","value":-24.8408},{"date":"2000-01-01","value":-100.0}],"summary":{"latest_period":"2000-01-01","latest_value":-100.0,"max":162.651,"mean":4.2222,"min":-100.0,"of":191,"rank":128,"trend":"volatile"}}