{"entity":{"iso2":"PG","iso3":"PNG","name":"Papua New Guinea","slug":"papua-new-guinea"},"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":49.9397},{"date":"1976-01-01","value":37.0877},{"date":"1977-01-01","value":-35.3286},{"date":"1978-01-01","value":-26.588},{"date":"1979-01-01","value":140.049},{"date":"1980-01-01","value":38.6715},{"date":"1981-01-01","value":7.09246},{"date":"1982-01-01","value":-50.6935},{"date":"1983-01-01","value":86.7792},{"date":"1984-01-01","value":-49.6611},{"date":"1985-01-01","value":31.4136},{"date":"1986-01-01","value":41.5481},{"date":"1987-01-01","value":-37.2738},{"date":"1988-01-01","value":57.1795},{"date":"1989-01-01","value":-2.93638},{"date":"1990-01-01","value":-12.437},{"date":"1991-01-01","value":-62.8119},{"date":"1992-01-01","value":163.484},{"date":"1993-01-01","value":16.0137},{"date":"1994-01-01","value":-14.2676},{"date":"1995-01-01","value":38.5524},{"date":"1996-01-01","value":-54.7264},{"date":"1997-01-01","value":125.353},{"date":"1998-01-01","value":-80.8429},{"date":"1999-01-01","value":767.818},{"date":"2000-01-01","value":-52.2313},{"date":"2001-01-01","value":-7.9386},{"date":"2002-01-01","value":138.304},{"date":"2003-01-01","value":-57.557},{"date":"2004-01-01","value":-3.43853},{"date":"2005-01-01","value":31.3171},{"date":"2006-01-01","value":13.3358},{"date":"2010-01-01","value":68.7926},{"date":"2011-01-01","value":-6.54678},{"date":"2012-01-01","value":39.9351},{"date":"2013-01-01","value":-50.7417},{"date":"2014-01-01","value":-100.0},{"date":"2020-01-01","value":-88.961},{"date":"2021-01-01","value":-80.3922},{"date":"2022-01-01","value":-20.0},{"date":"2024-01-01","value":-99.837},{"date":"2025-01-01","value":-100.0}],"summary":{"latest_period":"2025-01-01","latest_value":-100.0,"max":767.818,"mean":18.987,"min":-100.0,"of":191,"rank":128,"trend":"volatile"}}