{"entity":{"iso2":"HK","iso3":"HKG","name":"Hong Kong, China","slug":"hong-kong-sar-china"},"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":25.0228},{"date":"2006-01-01","value":25.624},{"date":"2009-01-01","value":25.3898},{"date":"2012-01-01","value":26.0679},{"date":"2015-01-01","value":27.4353},{"date":"2018-01-01","value":26.261}],"summary":{"latest_period":"2018-01-01","latest_value":26.261,"max":27.4353,"mean":25.9668,"min":25.0228,"of":53,"rank":2,"trend":"rising"}}