{"entity":{"iso2":"CH","iso3":"CHE","name":"Switzerland","slug":"switzerland"},"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":"1993-01-01","value":0.0},{"date":"1994-01-01","value":420.0},{"date":"1995-01-01","value":-23.0769},{"date":"1996-01-01","value":-42.5},{"date":"1997-01-01","value":13.0435},{"date":"1998-01-01","value":0.0},{"date":"1999-01-01","value":-15.3846},{"date":"2010-01-01","value":59.4595},{"date":"2011-01-01","value":-20.339},{"date":"2014-01-01","value":-7.38062},{"date":"2015-01-01","value":-25.4466},{"date":"2016-01-01","value":18.7374},{"date":"2017-01-01","value":6.7303},{"date":"2018-01-01","value":-55.2813}],"summary":{"latest_period":"2018-01-01","latest_value":-55.2813,"max":420.0,"mean":23.4687,"min":-55.2813,"of":191,"rank":55,"trend":"volatile"}}