{"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-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Pertussis - number of reported cases, per square kilometre","unit":"units per square kilometre"},"observations":[{"date":"1974-01-01","value":0.0342315},{"date":"1975-01-01","value":0.0377285},{"date":"1976-01-01","value":0.0416669},{"date":"1977-01-01","value":0.0466111},{"date":"1978-01-01","value":0.0498918},{"date":"1979-01-01","value":0.0644718},{"date":"1980-01-01","value":0.0537962},{"date":"1981-01-01","value":0.0624889},{"date":"1982-01-01","value":0.0854552},{"date":"1983-01-01","value":0.0768844},{"date":"1984-01-01","value":0.0688988},{"date":"1985-01-01","value":0.101305},{"date":"1986-01-01","value":0.0463267},{"date":"1987-01-01","value":0.0563435},{"date":"1988-01-01","value":0.0383412},{"date":"1989-01-01","value":0.0368425},{"date":"1990-01-01","value":0.0471348},{"date":"1991-01-01","value":0.0205156},{"date":"1992-01-01","value":0.0243355},{"date":"1993-01-01","value":0.0261317},{"date":"1994-01-01","value":0.0244573},{"date":"1996-01-01","value":0.0271924},{"date":"1998-01-01","value":0.0275119},{"date":"2000-01-01","value":0.0427221},{"date":"2001-01-01","value":0.0378987},{"date":"2002-01-01","value":0.0130593},{"date":"2004-01-01","value":0.0120513},{"date":"2005-01-01","value":0.0171382},{"date":"2006-01-01","value":0.0120744},{"date":"2007-01-01","value":0.0138048},{"date":"2008-01-01","value":0.0145372},{"date":"2009-01-01","value":0.0123862},{"date":"2011-01-01","value":0.0},{"date":"2012-01-01","value":0.0127672},{"date":"2013-01-01","value":0.0093657},{"date":"2014-01-01","value":0.0104955},{"date":"2015-01-01","value":0.00723783},{"date":"2017-01-01","value":0.00465979},{"date":"2018-01-01","value":0.00867068}],"summary":{"latest_period":"2018-01-01","latest_value":0.00867068,"max":0.101305,"mean":0.0340367,"min":0.0,"of":204,"rank":22,"trend":"volatile"}}