{"entity":{"iso2":"ZW","iso3":"ZWE","name":"Zimbabwe","slug":"zimbabwe"},"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":"1981-01-01","value":-58.2035},{"date":"1982-01-01","value":-1.3313},{"date":"1983-01-01","value":-41.7502},{"date":"1984-01-01","value":16.8101},{"date":"1985-01-01","value":22.0397},{"date":"1986-01-01","value":-8.96007},{"date":"1987-01-01","value":34.1662},{"date":"1988-01-01","value":-68.111},{"date":"1989-01-01","value":-13.23},{"date":"1990-01-01","value":-32.5549},{"date":"1991-01-01","value":21.1813},{"date":"1994-01-01","value":-32.7014},{"date":"1995-01-01","value":-76.0563},{"date":"1996-01-01","value":-41.1765},{"date":"1997-01-01","value":80.0},{"date":"1998-01-01","value":-100.0},{"date":"2000-01-01","value":-73.3333},{"date":"2001-01-01","value":-100.0},{"date":"2005-01-01","value":-100.0},{"date":"2017-01-01","value":-100.0},{"date":"2023-01-01","value":0.0},{"date":"2024-01-01","value":-100.0}],"summary":{"latest_period":"2024-01-01","latest_value":-100.0,"max":80.0,"mean":-35.146,"min":-100.0,"of":191,"rank":128,"trend":"volatile"}}