{"entity":{"iso2":"KR","iso3":"KOR","name":"South Korea","slug":"korea-rep"},"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":-61.586},{"date":"1976-01-01","value":-0.423012},{"date":"1977-01-01","value":168.649},{"date":"1978-01-01","value":-77.451},{"date":"1979-01-01","value":10.6592},{"date":"1980-01-01","value":96.9582},{"date":"1981-01-01","value":4.3758},{"date":"1982-01-01","value":-56.8434},{"date":"1983-01-01","value":-36.7143},{"date":"1984-01-01","value":318.51},{"date":"1985-01-01","value":-74.164},{"date":"1986-01-01","value":-60.7516},{"date":"1987-01-01","value":329.787},{"date":"1988-01-01","value":-30.0743},{"date":"1989-01-01","value":-70.2655},{"date":"1990-01-01","value":3.57143},{"date":"1995-01-01","value":-92.3077},{"date":"1996-01-01","value":0.0},{"date":"1997-01-01","value":333.333},{"date":"1998-01-01","value":-30.7692},{"date":"2001-01-01","value":-67.8571},{"date":"2002-01-01","value":11.1111},{"date":"2003-01-01","value":-50.0},{"date":"2004-01-01","value":20.0},{"date":"2005-01-01","value":66.6667},{"date":"2006-01-01","value":70.0},{"date":"2007-01-01","value":-17.6471},{"date":"2008-01-01","value":-50.0},{"date":"2009-01-01","value":500.0},{"date":"2010-01-01","value":-57.1429},{"date":"2011-01-01","value":438.889},{"date":"2012-01-01","value":137.113},{"date":"2013-01-01","value":-84.3478},{"date":"2014-01-01","value":111.111},{"date":"2015-01-01","value":169.737},{"date":"2016-01-01","value":-28.7805},{"date":"2017-01-01","value":-24.6575},{"date":"2018-01-01","value":764.545},{"date":"2019-01-01","value":-47.5289},{"date":"2020-01-01","value":-74.7495},{"date":"2021-01-01","value":-83.3333},{"date":"2022-01-01","value":47.619},{"date":"2023-01-01","value":841.935},{"date":"2025-01-01","value":-88.649}],"summary":{"latest_period":"2025-01-01","latest_value":-88.649,"max":841.935,"mean":72.2393,"min":-92.3077,"of":191,"rank":93,"trend":"volatile"}}