{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"pisa-mean-performance-on-the-mathematics-scale-by-sex","source":"OECD (2023) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/pisa-mean-performance-on-the-mathematics-scale-by-sex","title":"Average performance of 15-year-old girls and boys in mathematics","unit":"score"},"observations":[{"date":"2003-01-01","value":487.451},{"date":"2006-01-01","value":490.919},{"date":"2009-01-01","value":493.053},{"date":"2012-01-01","value":515.533},{"date":"2015-01-01","value":498.647},{"date":"2018-01-01","value":514.948},{"date":"2022-01-01","value":486.163}],"summary":{"latest_period":"2022-01-01","latest_value":486.163,"max":515.533,"mean":498.102,"min":486.163,"of":57,"rank":12,"trend":"flat"}}