{"entity":{"iso2":"AF","iso3":"AFG","name":"Afghanistan","slug":"afghanistan"},"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":"1978-01-01","value":87.86},{"date":"1979-01-01","value":5.15566},{"date":"1980-01-01","value":-29.359},{"date":"1981-01-01","value":-2.286},{"date":"1982-01-01","value":-44.5802},{"date":"1983-01-01","value":19.7115},{"date":"1984-01-01","value":-39.5142},{"date":"1985-01-01","value":38.1538},{"date":"1986-01-01","value":-31.1687},{"date":"1987-01-01","value":3.42302},{"date":"1988-01-01","value":-24.469},{"date":"1989-01-01","value":-67.4297},{"date":"1990-01-01","value":-72.49},{"date":"1991-01-01","value":31.6302},{"date":"1999-01-01","value":76.5625},{"date":"2000-01-01","value":-43.3628},{"date":"2005-01-01","value":289.427},{"date":"2006-01-01","value":15.7386},{"date":"2007-01-01","value":134.751},{"date":"2008-01-01","value":-58.5366},{"date":"2009-01-01","value":-100.0},{"date":"2013-01-01","value":-75.2171},{"date":"2014-01-01","value":-100.0},{"date":"2016-01-01","value":-100.0},{"date":"2022-01-01","value":206.481},{"date":"2023-01-01","value":362.538},{"date":"2024-01-01","value":-39.8432},{"date":"2025-01-01","value":19.7611}],"summary":{"latest_period":"2025-01-01","latest_value":19.7611,"max":362.538,"mean":16.5335,"min":-100.0,"of":191,"rank":27,"trend":"volatile"}}