{"entity":{"iso2":"NZ","iso3":"NZL","name":"New Zealand","slug":"new-zealand"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"diphtheria-number-of-reported-cases-annual-growth-rate","source":"Statizoid (derived)","source_url":null,"title":"Diphtheria - number of reported cases, annual growth rate","unit":"% change on previous year"},"observations":[{"date":"1975-01-01","value":-95.2381},{"date":"1976-01-01","value":500.0},{"date":"1977-01-01","value":-83.3333},{"date":"1978-01-01","value":0.0},{"date":"1979-01-01","value":0.0},{"date":"1980-01-01","value":0.0},{"date":"1981-01-01","value":-100.0},{"date":"1983-01-01","value":300.0},{"date":"1984-01-01","value":-50.0},{"date":"1985-01-01","value":-100.0},{"date":"1987-01-01","value":100.0},{"date":"1988-01-01","value":-100.0},{"date":"1999-01-01","value":-100.0},{"date":"2003-01-01","value":-100.0},{"date":"2012-01-01","value":-100.0},{"date":"2015-01-01","value":0.0},{"date":"2016-01-01","value":-50.0},{"date":"2017-01-01","value":0.0},{"date":"2018-01-01","value":-100.0},{"date":"2020-01-01","value":-100.0},{"date":"2025-01-01","value":100.0}],"summary":{"latest_period":"2025-01-01","latest_value":100.0,"max":500.0,"mean":-3.7415,"min":-100.0,"of":140,"rank":17,"trend":"volatile"}}