{"entity":{"iso2":null,"iso3":null,"name":"Americas (WHO region)","slug":"americas-who-region"},"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":"1981-01-01","value":-8.67264},{"date":"1982-01-01","value":-12.3342},{"date":"1983-01-01","value":-38.0548},{"date":"1984-01-01","value":1.72245},{"date":"1985-01-01","value":-10.3279},{"date":"1986-01-01","value":-15.3566},{"date":"1987-01-01","value":-27.7881},{"date":"1988-01-01","value":-25.4808},{"date":"1989-01-01","value":33.4719},{"date":"1990-01-01","value":11.6838},{"date":"1991-01-01","value":-48.1529},{"date":"1992-01-01","value":-2.26846},{"date":"1993-01-01","value":32.1113},{"date":"1994-01-01","value":8.71001},{"date":"1995-01-01","value":-15.764},{"date":"1996-01-01","value":-23.1651},{"date":"1997-01-01","value":-1.68147},{"date":"1998-01-01","value":52.2102},{"date":"1999-01-01","value":-14.9987},{"date":"2000-01-01","value":-17.0524},{"date":"2001-01-01","value":-20.1874},{"date":"2002-01-01","value":7.01824},{"date":"2003-01-01","value":10.3515},{"date":"2004-01-01","value":87.9009},{"date":"2005-01-01","value":3.59321},{"date":"2006-01-01","value":-29.2549},{"date":"2007-01-01","value":-19.4281},{"date":"2008-01-01","value":24.2697},{"date":"2009-01-01","value":-70.1063},{"date":"2010-01-01","value":329.327},{"date":"2011-01-01","value":-5.66595},{"date":"2012-01-01","value":143.373},{"date":"2013-01-01","value":-24.1331},{"date":"2014-01-01","value":-14.5937},{"date":"2015-01-01","value":-31.4712},{"date":"2016-01-01","value":-12.405},{"date":"2017-01-01","value":3.82127},{"date":"2018-01-01","value":-19.0673},{"date":"2019-01-01","value":-67.1673},{"date":"2020-01-01","value":164.09},{"date":"2021-01-01","value":-67.2668},{"date":"2022-01-01","value":-51.0508},{"date":"2023-01-01","value":119.093},{"date":"2024-01-01","value":331.689},{"date":"2025-01-01","value":-20.6697}],"summary":{"latest_period":"2025-01-01","latest_value":-20.6697,"max":331.689,"mean":14.4638,"min":-70.1063,"of":11,"rank":4,"trend":"volatile"}}
