{"entity":{"iso2":"SZ","iso3":"SWZ","name":"Eswatini","slug":"eswatini"},"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":"1983-01-01","value":60.1485},{"date":"1984-01-01","value":-58.8099},{"date":"1985-01-01","value":26.2664},{"date":"1986-01-01","value":12.3328},{"date":"1987-01-01","value":-61.1111},{"date":"1988-01-01","value":-67.0068},{"date":"1989-01-01","value":-72.1649},{"date":"1990-01-01","value":-25.9259},{"date":"1991-01-01","value":260.0},{"date":"1992-01-01","value":-52.7778},{"date":"1993-01-01","value":11.7647},{"date":"1994-01-01","value":-18.4211},{"date":"1995-01-01","value":-87.0968},{"date":"1996-01-01","value":175.0},{"date":"1997-01-01","value":18.1818},{"date":"1998-01-01","value":-100.0},{"date":"2007-01-01","value":-100.0},{"date":"2011-01-01","value":-100.0}],"summary":{"latest_period":"2011-01-01","latest_value":-100.0,"max":260.0,"mean":-9.97889,"min":-100.0,"of":191,"rank":128,"trend":"volatile"}}