{"entity":{"iso2":"1W","iso3":"WLD","name":"World","slug":"world"},"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":"1980-01-01","value":0.0188875},{"date":"1981-01-01","value":0.0172287},{"date":"1982-01-01","value":0.0174081},{"date":"1983-01-01","value":0.0130758},{"date":"1984-01-01","value":0.00984436},{"date":"1985-01-01","value":0.00967077},{"date":"1986-01-01","value":0.0080165},{"date":"1987-01-01","value":0.00660603},{"date":"1988-01-01","value":0.00502403},{"date":"1989-01-01","value":0.00572374},{"date":"1990-01-01","value":0.00424603},{"date":"1991-01-01","value":0.00413082},{"date":"1992-01-01","value":0.00203018},{"date":"1993-01-01","value":0.00186616},{"date":"1994-01-01","value":0.00199769},{"date":"1995-01-01","value":0.00129845},{"date":"1996-01-01","value":0.00111242},{"date":"1997-01-01","value":0.00132242},{"date":"1998-01-01","value":0.00148684},{"date":"1999-01-01","value":0.000914968},{"date":"2000-01-01","value":0.00149748},{"date":"2001-01-01","value":0.00137463},{"date":"2002-01-01","value":0.00106879},{"date":"2003-01-01","value":0.000916651},{"date":"2004-01-01","value":0.00192684},{"date":"2005-01-01","value":0.00119972},{"date":"2006-01-01","value":0.000999686},{"date":"2007-01-01","value":0.00109471},{"date":"2008-01-01","value":0.00116213},{"date":"2009-01-01","value":0.0013073},{"date":"2010-01-01","value":0.00126523},{"date":"2011-01-01","value":0.001361},{"date":"2012-01-01","value":0.00192656},{"date":"2013-01-01","value":0.00132459},{"date":"2014-01-01","value":0.0014349},{"date":"2015-01-01","value":0.00120108},{"date":"2016-01-01","value":0.00134379},{"date":"2017-01-01","value":0.00125462},{"date":"2018-01-01","value":0.00130238},{"date":"2019-01-01","value":0.00115314},{"date":"2020-01-01","value":0.000535584},{"date":"2021-01-01","value":0.000234222},{"date":"2022-01-01","value":0.000495619},{"date":"2023-01-01","value":0.00125921}],"summary":{"latest_period":"2023-01-01","latest_value":0.00125921,"max":0.0188875,"mean":0.00364844,"min":0.000234222,"of":1,"rank":1,"trend":"volatile"}}