{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"sulphur-dioxide-and-coal-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Sulphur dioxide and coal, per square kilometre","unit":"units per square kilometre"},"observations":[{"date":"1961-01-01","value":5.50544},{"date":"1962-01-01","value":5.80982},{"date":"1963-01-01","value":5.97963},{"date":"1964-01-01","value":6.26576},{"date":"1965-01-01","value":6.45904},{"date":"1966-01-01","value":6.62176},{"date":"1967-01-01","value":6.80842},{"date":"1968-01-01","value":7.07581},{"date":"1969-01-01","value":7.55147},{"date":"1970-01-01","value":7.84779},{"date":"1971-01-01","value":8.05896},{"date":"1972-01-01","value":8.40014},{"date":"1973-01-01","value":8.79745},{"date":"1974-01-01","value":9.3038},{"date":"1975-01-01","value":9.87789},{"date":"1976-01-01","value":10.646},{"date":"1977-01-01","value":11.0563},{"date":"1978-01-01","value":11.593},{"date":"1979-01-01","value":11.8209},{"date":"1980-01-01","value":12.3209},{"date":"1981-01-01","value":11.093},{"date":"1982-01-01","value":11.2202},{"date":"1983-01-01","value":11.1642},{"date":"1984-01-01","value":11.7},{"date":"1985-01-01","value":11.9981},{"date":"1986-01-01","value":11.7969},{"date":"1987-01-01","value":11.942},{"date":"1988-01-01","value":11.1724},{"date":"1989-01-01","value":10.3765},{"date":"1990-01-01","value":8.40213},{"date":"1991-01-01","value":8.18447},{"date":"1992-01-01","value":7.31944},{"date":"1993-01-01","value":7.2592},{"date":"1994-01-01","value":6.92141},{"date":"1995-01-01","value":6.69506},{"date":"1996-01-01","value":6.80476},{"date":"1997-01-01","value":6.19416},{"date":"1998-01-01","value":5.60005},{"date":"1999-01-01","value":5.03053},{"date":"2000-01-01","value":4.37383},{"date":"2001-01-01","value":4.23478},{"date":"2002-01-01","value":3.99611},{"date":"2003-01-01","value":3.86393},{"date":"2004-01-01","value":3.79016},{"date":"2005-01-01","value":3.72758},{"date":"2006-01-01","value":3.95567},{"date":"2007-01-01","value":3.65921},{"date":"2008-01-01","value":2.90475},{"date":"2009-01-01","value":2.50831},{"date":"2010-01-01","value":2.72143},{"date":"2011-01-01","value":2.55382},{"date":"2012-01-01","value":2.45222},{"date":"2013-01-01","value":2.3048},{"date":"2014-01-01","value":2.14851},{"date":"2015-01-01","value":2.09391},{"date":"2016-01-01","value":1.70304},{"date":"2017-01-01","value":1.6618},{"date":"2018-01-01","value":1.58408},{"date":"2019-01-01","value":1.31061},{"date":"2020-01-01","value":1.26338},{"date":"2021-01-01","value":1.28624},{"date":"2022-01-01","value":1.22954}],"summary":{"latest_period":"2022-01-01","latest_value":1.22954,"max":12.3209,"mean":6.45165,"min":1.22954,"of":207,"rank":60,"trend":"volatile"}}