{"entity":{"iso2":"MR","iso3":"MRT","name":"Mauritania","slug":"mauritania"},"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":-14.2828},{"date":"1976-01-01","value":1.61635},{"date":"1977-01-01","value":-9.89474},{"date":"1978-01-01","value":-10.3063},{"date":"1979-01-01","value":-27.6411},{"date":"1980-01-01","value":203.04},{"date":"1981-01-01","value":25.1188},{"date":"1982-01-01","value":-75.451},{"date":"1983-01-01","value":63.1715},{"date":"1984-01-01","value":114.116},{"date":"1985-01-01","value":-26.7159},{"date":"1986-01-01","value":-62.6888},{"date":"1987-01-01","value":-66.8466},{"date":"1988-01-01","value":3.25644},{"date":"1989-01-01","value":561.235},{"date":"1990-01-01","value":-92.3887},{"date":"1991-01-01","value":173.368}],"summary":{"latest_period":"1991-01-01","latest_value":173.368,"max":561.235,"mean":44.6298,"min":-92.3887,"of":191,"rank":10,"trend":"volatile"}}