{"entity":{"iso2":"ZM","iso3":"ZMB","name":"Zambia","slug":"zambia"},"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":"1975-01-01","value":-42.7732},{"date":"1976-01-01","value":-29.9795},{"date":"1977-01-01","value":39.5494},{"date":"1978-01-01","value":-17.1347},{"date":"1979-01-01","value":6.75344},{"date":"1980-01-01","value":-18.5952},{"date":"1981-01-01","value":9.22664},{"date":"1982-01-01","value":29.1794},{"date":"1983-01-01","value":-72.9455},{"date":"1984-01-01","value":-51.9309},{"date":"1985-01-01","value":-66.5554},{"date":"1986-01-01","value":-12.9701},{"date":"1987-01-01","value":-84.8325},{"date":"1988-01-01","value":-19.186},{"date":"1989-01-01","value":5.03597},{"date":"1990-01-01","value":36.9863},{"date":"2000-01-01","value":-100.0},{"date":"2002-01-01","value":-37.5656},{"date":"2003-01-01","value":-34.2857},{"date":"2004-01-01","value":-53.9642},{"date":"2005-01-01","value":2.77778},{"date":"2006-01-01","value":-35.1351},{"date":"2007-01-01","value":-71.6667},{"date":"2008-01-01","value":376.471},{"date":"2009-01-01","value":320.37},{"date":"2010-01-01","value":-100.0}],"summary":{"latest_period":"2010-01-01","latest_value":-100.0,"max":376.471,"mean":-0.891164,"min":-100.0,"of":191,"rank":128,"trend":"volatile"}}