{"entity":{"iso2":"US","iso3":"USA","name":"United States","slug":"united-states"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-15-year-olds-by-mathematics-proficiency-level-percent-level-2","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.2","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 2","unit":null},"observations":[{"date":"2003-01-01","value":23.8537},{"date":"2006-01-01","value":26.1017},{"date":"2009-01-01","value":24.4173},{"date":"2012-01-01","value":26.2546},{"date":"2015-01-01","value":26.1668},{"date":"2018-01-01","value":24.2234}],"summary":{"latest_period":"2018-01-01","latest_value":24.2234,"max":26.2546,"mean":25.1696,"min":23.8537,"of":53,"rank":14,"trend":"flat"}}