{"entity":{"iso2":"DK","iso3":"DNK","name":"Denmark","slug":"denmark"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-15-year-olds-by-mathematics-proficiency-level-percent-level-4","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.4","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 4","unit":null},"observations":[{"date":"2003-01-01","value":21.8954},{"date":"2006-01-01","value":22.4669},{"date":"2009-01-01","value":20.9717},{"date":"2012-01-01","value":19.7942},{"date":"2015-01-01","value":23.3711},{"date":"2018-01-01","value":23.0104}],"summary":{"latest_period":"2018-01-01","latest_value":23.0104,"max":23.3711,"mean":21.9183,"min":19.7942,"of":53,"rank":6,"trend":"flat"}}