{"entity":{"iso2":"ET","iso3":"ETH","name":"Ethiopia","slug":"ethiopia"},"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":70.6405},{"date":"1976-01-01","value":-37.8567},{"date":"1977-01-01","value":-41.0061},{"date":"1978-01-01","value":165.762},{"date":"1979-01-01","value":99.8542},{"date":"1980-01-01","value":42.4775},{"date":"1981-01-01","value":-57.8087},{"date":"1982-01-01","value":9.48913},{"date":"1983-01-01","value":1.57073},{"date":"1984-01-01","value":14.1454},{"date":"1985-01-01","value":-58.9735},{"date":"1986-01-01","value":-4.40948},{"date":"1987-01-01","value":46.2711},{"date":"1988-01-01","value":89.2331},{"date":"1989-01-01","value":-91.3149},{"date":"1990-01-01","value":-22.0626},{"date":"1996-01-01","value":-57.8275},{"date":"1999-01-01","value":-2.13618},{"date":"2024-01-01","value":11.0973},{"date":"2025-01-01","value":-16.2388}],"summary":{"latest_period":"2025-01-01","latest_value":-16.2388,"max":165.762,"mean":8.04534,"min":-91.3149,"of":191,"rank":41,"trend":"volatile"}}