{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"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":"1974-01-01","value":0.0699449},{"date":"1975-01-01","value":0.00439302},{"date":"1976-01-01","value":0.00127452},{"date":"1977-01-01","value":0.0125915},{"date":"1978-01-01","value":0.00821658},{"date":"1979-01-01","value":0.00131068},{"date":"1980-01-01","value":0.00139203},{"date":"1981-01-01","value":0.0035343},{"date":"1982-01-01","value":0.00152761},{"date":"1983-01-01","value":0.000596583},{"date":"1984-01-01","value":0.00204285},{"date":"1985-01-01","value":0.000361566},{"date":"1986-01-01","value":0.000479074},{"date":"1987-01-01","value":0.000488114},{"date":"1988-01-01","value":0.000126548},{"date":"1989-01-01","value":0.000135587},{"date":"1990-01-01","value":0.000235018},{"date":"1991-01-01","value":0.000117509},{"date":"1992-01-01","value":0.000741209},{"date":"1993-01-01","value":0.000668896},{"date":"1994-01-01","value":0.000198861},{"date":"1995-01-01","value":0.000696014},{"date":"1996-01-01","value":0.000361566},{"date":"1997-01-01","value":0.000397722},{"date":"1998-01-01","value":0.000361566},{"date":"1999-01-01","value":0.00111181},{"date":"2000-01-01","value":0.000958149},{"date":"2001-01-01","value":0.00073217},{"date":"2002-01-01","value":0.000753676},{"date":"2003-01-01","value":0.00165487},{"date":"2004-01-01","value":0.00204119},{"date":"2005-01-01","value":0.00288108},{"date":"2006-01-01","value":0.00308386},{"date":"2007-01-01","value":0.00247675},{"date":"2008-01-01","value":0.001777},{"date":"2009-01-01","value":0.00231209},{"date":"2010-01-01","value":0.000497421},{"date":"2011-01-01","value":0.000423729},{"date":"2012-01-01","value":0.000939573},{"date":"2013-01-01","value":0.000819823},{"date":"2014-01-01","value":0.000478998},{"date":"2015-01-01","value":0.000322402},{"date":"2016-01-01","value":0.000902727},{"date":"2017-01-01","value":0.00106853},{"date":"2018-01-01","value":0.00105011},{"date":"2019-01-01","value":0.000644805},{"date":"2020-01-01","value":0.00024871},{"date":"2021-01-01","value":2.76345e-05},{"date":"2022-01-01","value":0.000156595},{"date":"2023-01-01","value":0.00018423}],"summary":{"latest_period":"2023-01-01","latest_value":0.00018423,"max":0.0699449,"mean":0.00279483,"min":2.76345e-05,"of":204,"rank":89,"trend":"volatile"}}