{"entity":{"iso2":"PL","iso3":"POL","name":"Poland, Republic of","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-male-15-year-olds-by-mathematics-proficiency-level-percent-level-1","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.1.MA","title":"PISA: Male 15-year-olds by mathematics proficiency level (%). Level 1","unit":null},"observations":[{"date":"2003-01-01","value":14.9493},{"date":"2006-01-01","value":13.6149},{"date":"2009-01-01","value":14.4692},{"date":"2012-01-01","value":11.3307},{"date":"2015-01-01","value":11.9296},{"date":"2018-01-01","value":10.7557}],"summary":{"latest_period":"2018-01-01","latest_value":10.7557,"max":14.9493,"mean":12.8415,"min":10.7557,"of":53,"rank":47,"trend":"falling"}}