{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"primary-education-pupils-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Primary education, pupils, per square kilometre","unit":"units per square kilometre"},"observations":[{"date":"1971-01-01","value":4.90324},{"date":"1972-01-01","value":4.7749},{"date":"1973-01-01","value":4.64614},{"date":"1974-01-01","value":4.53131},{"date":"1975-01-01","value":4.38028},{"date":"1976-01-01","value":4.4802},{"date":"1977-01-01","value":4.58623},{"date":"1978-01-01","value":4.72421},{"date":"1979-01-01","value":4.77594},{"date":"1980-01-01","value":4.71191},{"date":"1981-01-01","value":4.72888},{"date":"1982-01-01","value":4.91407},{"date":"1983-01-01","value":5.0261},{"date":"1984-01-01","value":5.16687},{"date":"1985-01-01","value":5.23688},{"date":"1986-01-01","value":5.13075},{"date":"1987-01-01","value":5.15962},{"date":"1988-01-01","value":4.99431},{"date":"1989-01-01","value":4.78255},{"date":"1990-01-01","value":4.32873},{"date":"1991-01-01","value":4.12084},{"date":"1992-01-01","value":3.97394},{"date":"1993-01-01","value":3.88316},{"date":"1994-01-01","value":3.83095},{"date":"1995-01-01","value":3.84422},{"date":"1996-01-01","value":3.92232},{"date":"1997-01-01","value":3.90301},{"date":"1998-01-01","value":3.84625},{"date":"1999-01-01","value":3.72165},{"date":"2000-01-01","value":3.55126},{"date":"2001-01-01","value":3.3839},{"date":"2002-01-01","value":3.21338},{"date":"2003-01-01","value":3.06165},{"date":"2004-01-01","value":2.88912},{"date":"2005-01-01","value":2.66952},{"date":"2006-01-01","value":2.51353},{"date":"2007-01-01","value":2.46371},{"date":"2008-01-01","value":2.41876},{"date":"2009-01-01","value":2.40426},{"date":"2010-01-01","value":2.39812},{"date":"2011-01-01","value":2.34972},{"date":"2012-01-01","value":2.32472},{"date":"2013-01-01","value":2.33673},{"date":"2014-01-01","value":2.3843},{"date":"2015-01-01","value":2.41151},{"date":"2016-01-01","value":2.41313},{"date":"2017-01-01","value":2.43647},{"date":"2018-01-01","value":2.42018},{"date":"2019-01-01","value":2.36604},{"date":"2020-01-01","value":2.28771},{"date":"2021-01-01","value":2.18991},{"date":"2022-01-01","value":2.15133},{"date":"2023-01-01","value":2.1439}],"summary":{"latest_period":"2023-01-01","latest_value":2.1439,"max":5.23688,"mean":3.62665,"min":2.1439,"of":206,"rank":173,"trend":"falling"}}