{"entity":{"iso2":"CA","iso3":"CAN","name":"Canada","slug":"canada"},"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":114.503},{"date":"1976-01-01","value":-11.367},{"date":"1977-01-01","value":-100.0},{"date":"1979-01-01","value":-25.8161},{"date":"1980-01-01","value":29.0076},{"date":"1981-01-01","value":-8.38844},{"date":"1982-01-01","value":-12.0821},{"date":"1983-01-01","value":-3.58686},{"date":"1984-01-01","value":-39.489},{"date":"1985-01-01","value":76.0},{"date":"1986-01-01","value":-0.799663},{"date":"1987-01-01","value":-45.1846},{"date":"1988-01-01","value":-14.3963},{"date":"1989-01-01","value":120.615},{"date":"1990-01-01","value":229.098},{"date":"1991-01-01","value":-66.0772},{"date":"1992-01-01","value":32.3421},{"date":"1993-01-01","value":105.298},{"date":"1994-01-01","value":37.1571},{"date":"1995-01-01","value":-3.28046},{"date":"1996-01-01","value":-44.9175},{"date":"1997-01-01","value":-17.9179},{"date":"1998-01-01","value":98.1527},{"date":"1999-01-01","value":-31.0027},{"date":"2000-01-01","value":-33.2015},{"date":"2001-01-01","value":-33.9418},{"date":"2002-01-01","value":-4.5183},{"date":"2003-01-01","value":-27.1412},{"date":"2004-01-01","value":44.7665},{"date":"2005-01-01","value":-17.2785},{"date":"2006-01-01","value":-12.8194},{"date":"2007-01-01","value":-24.3188},{"date":"2008-01-01","value":33.2201},{"date":"2009-01-01","value":-14.9924},{"date":"2010-01-01","value":-54.4691},{"date":"2011-01-01","value":-10.9354},{"date":"2012-01-01","value":616.716},{"date":"2013-01-01","value":-73.9732},{"date":"2014-01-01","value":21.0944},{"date":"2015-01-01","value":129.862},{"date":"2016-01-01","value":10.9972},{"date":"2017-01-01","value":2.61807},{"date":"2018-01-01","value":-58.004},{"date":"2019-01-01","value":51.5188},{"date":"2020-01-01","value":-62.4607},{"date":"2021-01-01","value":-96.6492},{"date":"2022-01-01","value":550.0},{"date":"2023-01-01","value":588.942},{"date":"2025-01-01","value":-91.101}],"summary":{"latest_period":"2025-01-01","latest_value":-91.101,"max":616.716,"mean":37.7918,"min":-100.0,"of":191,"rank":99,"trend":"volatile"}}