{"entity":{"iso2":"NG","iso3":"NGA","name":"Nigeria","slug":"nigeria"},"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":10.2159},{"date":"1976-01-01","value":10.4389},{"date":"1977-01-01","value":11.8659},{"date":"1978-01-01","value":7.03854},{"date":"1979-01-01","value":29.2232},{"date":"1980-01-01","value":-16.5585},{"date":"1981-01-01","value":16.1585},{"date":"1982-01-01","value":36.7526},{"date":"1983-01-01","value":-10.0296},{"date":"1984-01-01","value":-10.3864},{"date":"1985-01-01","value":47.0351},{"date":"1986-01-01","value":-54.2703},{"date":"1987-01-01","value":21.6221},{"date":"1988-01-01","value":-31.951},{"date":"1989-01-01","value":-3.90893},{"date":"1990-01-01","value":27.9362},{"date":"1991-01-01","value":-56.4746},{"date":"1992-01-01","value":18.6192},{"date":"1993-01-01","value":7.38134},{"date":"1994-01-01","value":-6.40756},{"date":"2001-01-01","value":-11.2902},{"date":"2002-01-01","value":-65.5416},{"date":"2005-01-01","value":42.2103},{"date":"2006-01-01","value":-29.5471},{"date":"2007-01-01","value":14.3312},{"date":"2008-01-01","value":5.30502},{"date":"2009-01-01","value":-14.7961},{"date":"2013-01-01","value":-26.6426},{"date":"2014-01-01","value":12.0633},{"date":"2015-01-01","value":-31.0388},{"date":"2018-01-01","value":86.0745}],"summary":{"latest_period":"2018-01-01","latest_value":86.0745,"max":86.0745,"mean":1.14285,"min":-65.5416,"of":191,"rank":17,"trend":"volatile"}}