{"entity":{"iso2":"SL","iso3":"SLE","name":"Sierra Leone","slug":"sierra-leone"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"number-of-one-year-olds-who-are-not-vaccinated-against-diphtheria-pertussis-and-tetanus-3","source":"Statizoid (derived)","source_url":null,"title":"Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, per square kilometre","unit":"one-year-olds per square kilometre"},"observations":[{"date":"1999-01-01","value":1.24959},{"date":"2000-01-01","value":1.25772},{"date":"2001-01-01","value":1.47456},{"date":"2002-01-01","value":1.18088},{"date":"2003-01-01","value":0.703205},{"date":"2004-01-01","value":0.934371},{"date":"2005-01-01","value":0.942706},{"date":"2006-01-01","value":0.974838},{"date":"2007-01-01","value":0.990524},{"date":"2008-01-01","value":0.644845},{"date":"2009-01-01","value":0.457204},{"date":"2010-01-01","value":0.407641},{"date":"2011-01-01","value":0.324608},{"date":"2012-01-01","value":0.269109},{"date":"2013-01-01","value":0.242146},{"date":"2014-01-01","value":0.516326},{"date":"2015-01-01","value":0.424583},{"date":"2016-01-01","value":0.485528},{"date":"2017-01-01","value":0.305809},{"date":"2018-01-01","value":0.217246},{"date":"2019-01-01","value":0.157354},{"date":"2020-01-01","value":0.28662},{"date":"2021-01-01","value":0.257132},{"date":"2022-01-01","value":0.291496},{"date":"2023-01-01","value":0.293624}],"summary":{"latest_period":"2023-01-01","latest_value":0.293624,"max":1.47456,"mean":0.611586,"min":0.157354,"of":192,"rank":59,"trend":"volatile"}}