{"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-6","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.6","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 6","unit":null},"observations":[{"date":"2003-01-01","value":2.03072},{"date":"2006-01-01","value":1.26616},{"date":"2009-01-01","value":1.88083},{"date":"2012-01-01","value":2.19118},{"date":"2015-01-01","value":0.890925},{"date":"2018-01-01","value":1.47736}],"summary":{"latest_period":"2018-01-01","latest_value":1.47736,"max":2.19118,"mean":1.62286,"min":0.890925,"of":53,"rank":31,"trend":"falling"}}