{"entity":{"iso2":"ME","iso3":"MNE","name":"Montenegro","slug":"montenegro"},"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":"2009-01-01","value":-80.0},{"date":"2010-01-01","value":0.0},{"date":"2011-01-01","value":700.0},{"date":"2012-01-01","value":-75.0},{"date":"2013-01-01","value":-100.0},{"date":"2017-01-01","value":137.5},{"date":"2018-01-01","value":200.0},{"date":"2019-01-01","value":-91.2281},{"date":"2020-01-01","value":-40.0},{"date":"2021-01-01","value":-66.6667},{"date":"2022-01-01","value":-100.0},{"date":"2024-01-01","value":41.0501},{"date":"2025-01-01","value":-99.6616}],"summary":{"latest_period":"2025-01-01","latest_value":-99.6616,"max":700.0,"mean":32.7688,"min":-100.0,"of":191,"rank":126,"trend":"volatile"}}