{"entity":{"iso2":"BB","iso3":"BRB","name":"Barbados","slug":"barbados"},"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":200.0},{"date":"1978-01-01","value":366.667},{"date":"1979-01-01","value":-85.7143},{"date":"1980-01-01","value":-100.0},{"date":"1982-01-01","value":0.0},{"date":"1983-01-01","value":-100.0},{"date":"1986-01-01","value":-92.3077},{"date":"1987-01-01","value":-100.0},{"date":"1991-01-01","value":-100.0},{"date":"1994-01-01","value":-100.0},{"date":"1996-01-01","value":-100.0},{"date":"2020-01-01","value":-100.0}],"summary":{"latest_period":"2020-01-01","latest_value":-100.0,"max":366.667,"mean":-25.9463,"min":-100.0,"of":191,"rank":128,"trend":"volatile"}}