{"entity":{"iso2":"ZA","iso3":"ZAF","name":"South Africa","slug":"south-africa"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"diphtheria-number-of-reported-cases-annual-growth-rate","source":"Statizoid (derived)","source_url":null,"title":"Diphtheria - number of reported cases, annual growth rate","unit":"% change on previous year"},"observations":[{"date":"1975-01-01","value":-3.18091},{"date":"1976-01-01","value":-27.9261},{"date":"1977-01-01","value":-18.5185},{"date":"1978-01-01","value":-29.021},{"date":"1979-01-01","value":-55.1724},{"date":"1980-01-01","value":-37.3626},{"date":"1981-01-01","value":10.5263},{"date":"1982-01-01","value":-57.1429},{"date":"1983-01-01","value":7.40741},{"date":"1984-01-01","value":51.7241},{"date":"1985-01-01","value":4.54545},{"date":"1986-01-01","value":-58.6957},{"date":"1987-01-01","value":47.3684},{"date":"1988-01-01","value":-32.1429},{"date":"1989-01-01","value":-36.8421},{"date":"1990-01-01","value":183.333},{"date":"1991-01-01","value":-64.7059},{"date":"1992-01-01","value":-75.0},{"date":"1993-01-01","value":66.6667},{"date":"1998-01-01","value":33.3333},{"date":"1999-01-01","value":-100.0},{"date":"2001-01-01","value":-100.0},{"date":"2003-01-01","value":200.0},{"date":"2004-01-01","value":-100.0},{"date":"2016-01-01","value":-100.0},{"date":"2018-01-01","value":0.0},{"date":"2019-01-01","value":-100.0},{"date":"2021-01-01","value":-100.0},{"date":"2024-01-01","value":329.412},{"date":"2025-01-01","value":330.137}],"summary":{"latest_period":"2025-01-01","latest_value":330.137,"max":330.137,"mean":5.62476,"min":-100.0,"of":140,"rank":4,"trend":"volatile"}}