{"entity":{"iso2":"DZ","iso3":"DZA","name":"Algeria","slug":"algeria"},"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":42.9016},{"date":"1976-01-01","value":107.542},{"date":"1977-01-01","value":-76.7296},{"date":"1978-01-01","value":-57.958},{"date":"1979-01-01","value":72.1429},{"date":"1980-01-01","value":47.3029},{"date":"1981-01-01","value":36.1972},{"date":"1982-01-01","value":-31.4374},{"date":"1983-01-01","value":-40.4223},{"date":"1984-01-01","value":126.329},{"date":"1985-01-01","value":-41.8345},{"date":"1986-01-01","value":-95.3846},{"date":"1987-01-01","value":187.5},{"date":"1988-01-01","value":-34.7826},{"date":"1989-01-01","value":-28.8889},{"date":"1990-01-01","value":-28.125},{"date":"1991-01-01","value":-30.4348},{"date":"1992-01-01","value":56.25},{"date":"1993-01-01","value":76.0},{"date":"1994-01-01","value":-90.9091},{"date":"1997-01-01","value":233.333},{"date":"1998-01-01","value":-66.6667},{"date":"1999-01-01","value":-60.0},{"date":"2002-01-01","value":-58.3942},{"date":"2003-01-01","value":-61.4035},{"date":"2004-01-01","value":-68.1818},{"date":"2005-01-01","value":157.143},{"date":"2006-01-01","value":27.7778},{"date":"2007-01-01","value":-100.0},{"date":"2009-01-01","value":-96.4286},{"date":"2010-01-01","value":-100.0},{"date":"2013-01-01","value":-33.6538},{"date":"2014-01-01","value":-100.0},{"date":"2017-01-01","value":200.0},{"date":"2018-01-01","value":183.333},{"date":"2025-01-01","value":-10.5263}],"summary":{"latest_period":"2025-01-01","latest_value":-10.5263,"max":233.333,"mean":6.71086,"min":-100.0,"of":191,"rank":38,"trend":"volatile"}}