{"entity":{"iso2":"TD","iso3":"TCD","name":"Chad","slug":"chad"},"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":51.3096},{"date":"1976-01-01","value":44.2361},{"date":"1977-01-01","value":-50.5792},{"date":"1978-01-01","value":-60.1012},{"date":"1983-01-01","value":738.095},{"date":"1984-01-01","value":10.6643},{"date":"1985-01-01","value":-40.9163},{"date":"1986-01-01","value":53.9439},{"date":"1996-01-01","value":-12.8982},{"date":"1997-01-01","value":9.8721},{"date":"1998-01-01","value":7.27537}],"summary":{"latest_period":"1998-01-01","latest_value":7.27537,"max":738.095,"mean":68.2638,"min":-60.1012,"of":191,"rank":31,"trend":"volatile"}}