{"entity":{"iso2":"ZA","iso3":"ZAF","name":"South Africa","slug":"south-africa"},"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":"1997-01-01","value":64.2857},{"date":"1998-01-01","value":69.5652},{"date":"1999-01-01","value":-12.8205},{"date":"2000-01-01","value":-76.4706},{"date":"2001-01-01","value":200.0},{"date":"2002-01-01","value":-79.1667},{"date":"2003-01-01","value":60.0},{"date":"2014-01-01","value":98.2759},{"date":"2015-01-01","value":-55.2174},{"date":"2016-01-01","value":-61.165},{"date":"2017-01-01","value":155.0},{"date":"2018-01-01","value":836.275},{"date":"2019-01-01","value":-41.6754},{"date":"2020-01-01","value":-81.3285},{"date":"2021-01-01","value":435.577},{"date":"2022-01-01","value":41.6517},{"date":"2023-01-01","value":-66.033},{"date":"2024-01-01","value":-70.5224}],"summary":{"latest_period":"2024-01-01","latest_value":-70.5224,"max":836.275,"mean":78.6795,"min":-81.3285,"of":191,"rank":66,"trend":"volatile"}}