{"entity":{"iso2":"TT","iso3":"TTO","name":"Trinidad and Tobago","slug":"trinidad-and-tobago"},"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":11.1111},{"date":"1976-01-01","value":-40.0},{"date":"1977-01-01","value":16.6667},{"date":"1978-01-01","value":9.52381},{"date":"1979-01-01","value":104.348},{"date":"1980-01-01","value":-78.7234},{"date":"1981-01-01","value":-10.0},{"date":"1982-01-01","value":-66.6667},{"date":"1983-01-01","value":-100.0},{"date":"1985-01-01","value":-59.0909},{"date":"1986-01-01","value":66.6667},{"date":"1987-01-01","value":-20.0},{"date":"1988-01-01","value":-8.33333},{"date":"1989-01-01","value":-36.3636},{"date":"1990-01-01","value":28.5714},{"date":"1991-01-01","value":-55.5556},{"date":"1992-01-01","value":0.0},{"date":"1993-01-01","value":25.0},{"date":"1994-01-01","value":0.0},{"date":"1995-01-01","value":-100.0},{"date":"1998-01-01","value":0.0},{"date":"1999-01-01","value":-100.0}],"summary":{"latest_period":"1999-01-01","latest_value":-100.0,"max":104.348,"mean":-18.7657,"min":-100.0,"of":191,"rank":128,"trend":"volatile"}}