{"entity":{"iso2":"ZM","iso3":"ZMB","name":"Zambia","slug":"zambia"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"sample-size","source":null,"source_url":"https://data.worldbank.org/indicator/BI.POP.TOTL.CV","title":"Sample size","unit":null},"observations":[{"date":"2002-01-01","value":35404.0},{"date":"2004-01-01","value":65200.0},{"date":"2008-01-01","value":83916.0},{"date":"2010-01-01","value":68908.0},{"date":"2012-01-01","value":32270.0},{"date":"2014-01-01","value":31812.0},{"date":"2015-01-01","value":40980.0}],"summary":{"latest_period":"2015-01-01","latest_value":40980.0,"max":83916.0,"mean":51212.9,"min":31812.0,"of":80,"rank":30,"trend":"falling"}}