{"entity":{"iso2":"BH","iso3":"BHR","name":"Bahrain","slug":"bahrain"},"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":58.8608},{"date":"1976-01-01","value":145.817},{"date":"1977-01-01","value":-76.6613},{"date":"1978-01-01","value":-5.55556},{"date":"1979-01-01","value":-36.7647},{"date":"1980-01-01","value":23.2558},{"date":"1981-01-01","value":-28.3019},{"date":"1982-01-01","value":-71.0526},{"date":"1983-01-01","value":50.0},{"date":"1984-01-01","value":-54.5455},{"date":"1985-01-01","value":-53.3333},{"date":"1986-01-01","value":-85.7143},{"date":"1988-01-01","value":-90.0},{"date":"1989-01-01","value":-100.0},{"date":"2010-01-01","value":-100.0},{"date":"2013-01-01","value":-100.0},{"date":"2017-01-01","value":0.0},{"date":"2018-01-01","value":0.0},{"date":"2019-01-01","value":400.0},{"date":"2020-01-01","value":-100.0},{"date":"2025-01-01","value":-11.7647}],"summary":{"latest_period":"2025-01-01","latest_value":-11.7647,"max":400.0,"mean":-11.2267,"min":-100.0,"of":191,"rank":39,"trend":"volatile"}}