{"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-gaps-filled","source":"Statizoid (derived)","source_url":null,"title":"Pertussis - number of reported cases, gaps filled","unit":null},"observations":[{"date":"1974-01-01","value":5498.0},{"date":"1975-01-01","value":8319.0},{"date":"1976-01-01","value":11999.0},{"date":"1977-01-01","value":5930.0},{"date":"1978-01-01","value":2366.0},{"date":"1979-01-01","value":1842.75},{"date":"1980-01-01","value":1319.5},{"date":"1981-01-01","value":796.25},{"date":"1982-01-01","value":273.0},{"date":"1983-01-01","value":2288.0},{"date":"1984-01-01","value":2532.0},{"date":"1985-01-01","value":1496.0},{"date":"1986-01-01","value":2303.0},{"date":"1995-01-01","value":5745.0},{"date":"1996-01-01","value":5004.0},{"date":"1997-01-01","value":5498.0},{"date":"1998-01-01","value":5898.0}],"summary":{"latest_period":"1998-01-01","latest_value":5898.0,"max":11999.0,"mean":4065.15,"min":273.0,"of":210,"rank":9,"trend":"volatile"}}