{"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-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":-8.78244},{"date":"1982-01-01","value":1.04094},{"date":"1983-01-01","value":-24.8867},{"date":"1984-01-01","value":-24.7136},{"date":"1985-01-01","value":-1.7633},{"date":"1986-01-01","value":-17.106},{"date":"1987-01-01","value":-17.5945},{"date":"1988-01-01","value":-23.9479},{"date":"1989-01-01","value":13.9262},{"date":"1990-01-01","value":-25.8171},{"date":"1991-01-01","value":-2.71169},{"date":"1992-01-01","value":-40.6508},{"date":"1993-01-01","value":-7.18647},{"date":"1994-01-01","value":7.03782},{"date":"1995-01-01","value":-35.0033},{"date":"1996-01-01","value":-14.3275},{"date":"1997-01-01","value":18.9417},{"date":"1998-01-01","value":12.4108},{"date":"1999-01-01","value":-38.4591},{"date":"2000-01-01","value":63.7832},{"date":"2001-01-01","value":-8.20475},{"date":"2002-01-01","value":-22.2497},{"date":"2003-01-01","value":-14.2309},{"date":"2004-01-01","value":110.447},{"date":"2005-01-01","value":-37.735},{"date":"2006-01-01","value":-16.6078},{"date":"2007-01-01","value":9.50553},{"date":"2008-01-01","value":6.14531},{"date":"2009-01-01","value":12.49},{"date":"2010-01-01","value":-3.21624},{"date":"2011-01-01","value":7.57098},{"date":"2012-01-01","value":44.3315},{"date":"2013-01-01","value":-31.2472},{"date":"2014-01-01","value":8.32554},{"date":"2015-01-01","value":-16.2912},{"date":"2016-01-01","value":11.8918},{"date":"2017-01-01","value":-6.63941},{"date":"2018-01-01","value":3.80911},{"date":"2019-01-01","value":-11.4577},{"date":"2020-01-01","value":-53.5499},{"date":"2021-01-01","value":-56.3221},{"date":"2022-01-01","value":111.542},{"date":"2023-01-01","value":154.07},{"date":"2024-01-01","value":476.434},{"date":"2025-01-01","value":-71.8315}],"summary":{"latest_period":"2025-01-01","latest_value":-71.8315,"max":476.434,"mean":9.80377,"min":-71.8315,"of":11,"rank":8,"trend":"volatile"}}