{"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-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Pertussis - number of reported cases, per square kilometre","unit":"units per square kilometre"},"observations":[{"date":"1992-01-01","value":0.126488},{"date":"1993-01-01","value":0.126488},{"date":"1994-01-01","value":0.657735},{"date":"1995-01-01","value":0.505949},{"date":"1996-01-01","value":0.290929},{"date":"1997-01-01","value":0.328887},{"date":"1998-01-01","value":0.328897},{"date":"1999-01-01","value":0.278306},{"date":"2001-01-01","value":0.151813},{"date":"2009-01-01","value":0.0936382},{"date":"2010-01-01","value":0.149317},{"date":"2011-01-01","value":0.118949},{"date":"2013-01-01","value":0.255471},{"date":"2014-01-01","value":0.236619},{"date":"2015-01-01","value":0.17641},{"date":"2016-01-01","value":0.209468},{"date":"2017-01-01","value":0.223566},{"date":"2018-01-01","value":0.0999757}],"summary":{"latest_period":"2018-01-01","latest_value":0.0999757,"max":0.657735,"mean":0.242161,"min":0.0936382,"of":204,"rank":3,"trend":"volatile"}}