{"entity":{"iso2":"BW","iso3":"BWA","name":"Botswana","slug":"botswana"},"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":"1975-01-01","value":-70.757},{"date":"1976-01-01","value":-10.6168},{"date":"1977-01-01","value":14.2534},{"date":"1978-01-01","value":-40.8911},{"date":"1979-01-01","value":45.7286},{"date":"1980-01-01","value":-87.3563},{"date":"1981-01-01","value":24.5455},{"date":"1982-01-01","value":-39.4161},{"date":"1983-01-01","value":59.0361},{"date":"1984-01-01","value":60.6061},{"date":"1985-01-01","value":-86.7924},{"date":"1986-01-01","value":-25.0},{"date":"1987-01-01","value":-19.0476},{"date":"1988-01-01","value":0.0},{"date":"1989-01-01","value":-52.9412},{"date":"1990-01-01","value":175.0},{"date":"1991-01-01","value":-50.0},{"date":"1992-01-01","value":-54.5455},{"date":"1993-01-01","value":240.0},{"date":"1994-01-01","value":11.7647},{"date":"1995-01-01","value":-21.0526},{"date":"1996-01-01","value":153.333},{"date":"1997-01-01","value":-50.0},{"date":"1998-01-01","value":-63.1579},{"date":"1999-01-01","value":114.286},{"date":"2000-01-01","value":-100.0}],"summary":{"latest_period":"2000-01-01","latest_value":-100.0,"max":240.0,"mean":4.88381,"min":-100.0,"of":191,"rank":128,"trend":"volatile"}}