{"entity":{"iso2":"CN","iso3":"CHN","name":"China","slug":"china"},"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":7.06938},{"date":"1976-01-01","value":-26.1514},{"date":"1977-01-01","value":8.56678},{"date":"1978-01-01","value":-17.2955},{"date":"1979-01-01","value":-38.8027},{"date":"1980-01-01","value":-16.6415},{"date":"1981-01-01","value":-16.7925},{"date":"1982-01-01","value":-17.2975},{"date":"1983-01-01","value":-21.5168},{"date":"1984-01-01","value":-34.8363},{"date":"1985-01-01","value":-31.7954},{"date":"1986-01-01","value":-42.987},{"date":"1987-01-01","value":-29.0977},{"date":"1988-01-01","value":-44.6837},{"date":"1989-01-01","value":-18.0709},{"date":"1990-01-01","value":-25.8292},{"date":"1991-01-01","value":-46.645},{"date":"1992-01-01","value":4.71018},{"date":"1993-01-01","value":-17.8143},{"date":"1994-01-01","value":-21.6649},{"date":"1995-01-01","value":-23.8505},{"date":"1998-01-01","value":-17.7921},{"date":"1999-01-01","value":-16.2602},{"date":"2000-01-01","value":-6.91329},{"date":"2001-01-01","value":15.2131},{"date":"2002-01-01","value":-1.7793},{"date":"2003-01-01","value":-86.3658},{"date":"2004-01-01","value":448.368},{"date":"2005-01-01","value":-18.2997},{"date":"2006-01-01","value":-32.4922},{"date":"2009-01-01","value":-32.4675},{"date":"2010-01-01","value":9.42928},{"date":"2011-01-01","value":42.6871},{"date":"2012-01-01","value":-13.2698},{"date":"2013-01-01","value":-21.5758},{"date":"2014-01-01","value":99.0654},{"date":"2015-01-01","value":95.3639},{"date":"2016-01-01","value":-16.131},{"date":"2017-01-01","value":86.0673},{"date":"2018-01-01","value":112.291},{"date":"2019-01-01","value":36.1337},{"date":"2020-01-01","value":-85.0967},{"date":"2021-01-01","value":114.771},{"date":"2022-01-01","value":298.45},{"date":"2023-01-01","value":7.38739},{"date":"2025-01-01","value":-93.0009}],"summary":{"latest_period":"2025-01-01","latest_value":-93.0009,"max":448.368,"mean":9.83383,"min":-93.0009,"of":191,"rank":103,"trend":"volatile"}}