{"entity":{"iso2":"AM","iso3":"ARM","name":"Armenia","slug":"armenia"},"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":"1991-01-01","value":-30.2772},{"date":"1992-01-01","value":-62.0795},{"date":"1993-01-01","value":-20.9677},{"date":"1994-01-01","value":235.714},{"date":"1995-01-01","value":-96.3526},{"date":"1996-01-01","value":-83.3333},{"date":"1997-01-01","value":150.0},{"date":"1998-01-01","value":280.0},{"date":"1999-01-01","value":-31.5789},{"date":"2000-01-01","value":-23.0769},{"date":"2001-01-01","value":-90.0},{"date":"2002-01-01","value":200.0},{"date":"2003-01-01","value":0.0},{"date":"2004-01-01","value":133.333},{"date":"2005-01-01","value":-14.2857},{"date":"2006-01-01","value":-66.6667},{"date":"2007-01-01","value":-50.0},{"date":"2008-01-01","value":200.0},{"date":"2009-01-01","value":266.667},{"date":"2010-01-01","value":-63.6364},{"date":"2011-01-01","value":-75.0},{"date":"2012-01-01","value":700.0},{"date":"2013-01-01","value":275.0},{"date":"2014-01-01","value":183.333},{"date":"2015-01-01","value":-68.2353},{"date":"2016-01-01","value":-44.4444},{"date":"2017-01-01","value":413.333},{"date":"2018-01-01","value":107.792},{"date":"2019-01-01","value":-75.625},{"date":"2020-01-01","value":-69.2308},{"date":"2021-01-01","value":-50.0},{"date":"2022-01-01","value":-83.3333},{"date":"2024-01-01","value":142.0},{"date":"2025-01-01","value":-81.8182}],"summary":{"latest_period":"2025-01-01","latest_value":-81.8182,"max":700.0,"mean":61.9774,"min":-96.3526,"of":191,"rank":81,"trend":"volatile"}}