{"entity":{"iso2":null,"iso3":null,"name":"Western Pacific (WHO region)","slug":"western-pacific-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":-19.5794},{"date":"1982-01-01","value":-15.2301},{"date":"1983-01-01","value":-20.906},{"date":"1984-01-01","value":-30.5552},{"date":"1985-01-01","value":-23.8397},{"date":"1986-01-01","value":-34.6359},{"date":"1987-01-01","value":-31.8597},{"date":"1988-01-01","value":-9.32874},{"date":"1989-01-01","value":-1.01012},{"date":"1990-01-01","value":-33.1919},{"date":"1991-01-01","value":-38.6602},{"date":"1992-01-01","value":1.51192},{"date":"1993-01-01","value":-20.426},{"date":"1994-01-01","value":-1.85327},{"date":"1995-01-01","value":-25.3617},{"date":"1996-01-01","value":-28.4665},{"date":"1997-01-01","value":92.8856},{"date":"1998-01-01","value":-51.7286},{"date":"1999-01-01","value":14.8598},{"date":"2000-01-01","value":39.4318},{"date":"2001-01-01","value":30.6128},{"date":"2002-01-01","value":-1.2407},{"date":"2003-01-01","value":-52.0903},{"date":"2004-01-01","value":44.1764},{"date":"2005-01-01","value":34.4502},{"date":"2006-01-01","value":-58.8929},{"date":"2007-01-01","value":-47.0128},{"date":"2008-01-01","value":280.54},{"date":"2009-01-01","value":64.9515},{"date":"2010-01-01","value":14.0123},{"date":"2011-01-01","value":13.8025},{"date":"2012-01-01","value":-19.9759},{"date":"2013-01-01","value":-40.6388},{"date":"2014-01-01","value":-17.529},{"date":"2015-01-01","value":63.5659},{"date":"2016-01-01","value":-9.5604},{"date":"2017-01-01","value":-8.44724},{"date":"2018-01-01","value":86.1443},{"date":"2019-01-01","value":19.0173},{"date":"2020-01-01","value":-81.7367},{"date":"2021-01-01","value":-3.95724},{"date":"2022-01-01","value":253.609},{"date":"2023-01-01","value":25.4214},{"date":"2025-01-01","value":-73.2148}],"summary":{"latest_period":"2025-01-01","latest_value":-73.2148,"max":280.54,"mean":6.31959,"min":-81.7367,"of":11,"rank":9,"trend":"volatile"}}