{"entity":{"iso2":"NL","iso3":"NLD","name":"Netherlands","slug":"netherlands"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-male-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.MA","title":"PISA: Male 15-year-olds by mathematics proficiency level (%). Level 4","unit":null},"observations":[{"date":"2003-01-01","value":22.589},{"date":"2006-01-01","value":23.7252},{"date":"2009-01-01","value":23.7672},{"date":"2012-01-01","value":23.5497},{"date":"2015-01-01","value":22.0942},{"date":"2018-01-01","value":22.6246}],"summary":{"latest_period":"2018-01-01","latest_value":22.6246,"max":23.7672,"mean":23.0583,"min":22.0942,"of":53,"rank":7,"trend":"flat"}}