{"entity":{"iso2":"NZ","iso3":"NZL","name":"New Zealand","slug":"new-zealand"},"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":21.8667},{"date":"2006-01-01","value":22.0776},{"date":"2009-01-01","value":22.2434},{"date":"2012-01-01","value":18.0662},{"date":"2015-01-01","value":19.0073},{"date":"2018-01-01","value":18.8828}],"summary":{"latest_period":"2018-01-01","latest_value":18.8828,"max":22.2434,"mean":20.3573,"min":18.0662,"of":53,"rank":25,"trend":"falling"}}