{"entity":{"iso2":"LR","iso3":"LBR","name":"Liberia","slug":"liberia"},"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":202.312},{"date":"1976-01-01","value":428.489},{"date":"1977-01-01","value":-12.9884},{"date":"1978-01-01","value":-46.736},{"date":"1979-01-01","value":-92.1936},{"date":"1980-01-01","value":-38.0},{"date":"1981-01-01","value":527.419},{"date":"1982-01-01","value":-87.6607},{"date":"1983-01-01","value":-68.75},{"date":"1984-01-01","value":-46.6667},{"date":"1985-01-01","value":300.0},{"date":"1986-01-01","value":-53.125},{"date":"1987-01-01","value":-66.6667},{"date":"1989-01-01","value":-99.8465},{"date":"1999-01-01","value":-64.632},{"date":"2000-01-01","value":-28.6802},{"date":"2001-01-01","value":-53.3808},{"date":"2002-01-01","value":189.313}],"summary":{"latest_period":"2002-01-01","latest_value":189.313,"max":527.419,"mean":49.3449,"min":-99.8465,"of":191,"rank":9,"trend":"volatile"}}