{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"school-life-expectancy-pre-primary-both-sexes-years","source":"UNESCO Institute for Statistics","source_url":"https://data.worldbank.org/indicator/UIS.SLE.02","title":"School life expectancy, pre-primary, both sexes (years)","unit":"years"},"observations":[{"date":"1971-01-01","value":1.4849},{"date":"1972-01-01","value":1.56815},{"date":"1973-01-01","value":1.78776},{"date":"1974-01-01","value":2.00129},{"date":"1975-01-01","value":2.13417},{"date":"1976-01-01","value":2.13453},{"date":"1977-01-01","value":2.20342},{"date":"1978-01-01","value":2.24215},{"date":"1979-01-01","value":2.23674},{"date":"1980-01-01","value":2.26798},{"date":"1981-01-01","value":2.23825},{"date":"1982-01-01","value":2.08633},{"date":"1983-01-01","value":2.00275},{"date":"1984-01-01","value":1.8972},{"date":"1985-01-01","value":1.94163},{"date":"1986-01-01","value":2.01861},{"date":"1987-01-01","value":2.06639},{"date":"1988-01-01","value":2.07086},{"date":"1989-01-01","value":2.0419},{"date":"1990-01-01","value":1.97336},{"date":"1991-01-01","value":1.87585},{"date":"1992-01-01","value":1.73913},{"date":"1993-01-01","value":1.68749},{"date":"1994-01-01","value":1.7152},{"date":"1995-01-01","value":1.78664},{"date":"1996-01-01","value":1.82767},{"date":"1997-01-01","value":1.87116},{"date":"1998-01-01","value":1.87193},{"date":"1999-01-01","value":1.87122},{"date":"2000-01-01","value":1.85127},{"date":"2001-01-01","value":1.85112},{"date":"2002-01-01","value":1.85779},{"date":"2003-01-01","value":1.94083},{"date":"2004-01-01","value":2.03034},{"date":"2005-01-01","value":2.12745},{"date":"2006-01-01","value":2.23231},{"date":"2007-01-01","value":2.35803},{"date":"2008-01-01","value":2.42565},{"date":"2009-01-01","value":2.57454},{"date":"2010-01-01","value":2.77055},{"date":"2011-01-01","value":2.91648},{"date":"2012-01-01","value":3.09547},{"date":"2013-01-01","value":3.12146},{"date":"2014-01-01","value":3.21724},{"date":"2017-01-01","value":3.24479},{"date":"2018-01-01","value":3.51079}],"summary":{"latest_period":"2018-01-01","latest_value":3.51079,"max":3.51079,"mean":2.16893,"min":1.4849,"of":191,"rank":6,"trend":"rising"}}