{"entity":{"iso2":"PR","iso3":"PRI","name":"Puerto Rico","slug":"puerto-rico-us"},"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":2.04647},{"date":"1962-01-01","value":2.10434},{"date":"1963-01-01","value":2.149},{"date":"1964-01-01","value":2.20755},{"date":"1965-01-01","value":2.31457},{"date":"1966-01-01","value":2.40795},{"date":"1967-01-01","value":2.48701},{"date":"1968-01-01","value":2.61973},{"date":"1969-01-01","value":2.74547},{"date":"1970-01-01","value":3.11729},{"date":"1971-01-01","value":4.08227},{"date":"1972-01-01","value":4.35215},{"date":"1973-01-01","value":4.76775},{"date":"1974-01-01","value":4.04059},{"date":"1975-01-01","value":4.92989},{"date":"1976-01-01","value":5.15506},{"date":"1977-01-01","value":5.19125},{"date":"1978-01-01","value":6.10726},{"date":"1979-01-01","value":5.83507},{"date":"1980-01-01","value":5.75488},{"date":"1981-01-01","value":6.01949},{"date":"1982-01-01","value":5.42412},{"date":"1983-01-01","value":4.87646},{"date":"1984-01-01","value":4.60821},{"date":"1985-01-01","value":4.95156},{"date":"1986-01-01","value":5.19591},{"date":"1987-01-01","value":5.46121},{"date":"1988-01-01","value":5.78753},{"date":"1989-01-01","value":5.50582},{"date":"1990-01-01","value":20.6329},{"date":"1991-01-01","value":21.2702},{"date":"1992-01-01","value":22.3722},{"date":"1993-01-01","value":22.8931},{"date":"1994-01-01","value":23.5765},{"date":"1995-01-01","value":24.1142},{"date":"1996-01-01","value":24.6579},{"date":"1997-01-01","value":25.4007},{"date":"1998-01-01","value":26.2097},{"date":"1999-01-01","value":28.1957},{"date":"2000-01-01","value":25.0669},{"date":"2001-01-01","value":23.5262},{"date":"2002-01-01","value":7.39335},{"date":"2003-01-01","value":9.38618},{"date":"2004-01-01","value":9.79803},{"date":"2005-01-01","value":9.81991},{"date":"2006-01-01","value":10.0782},{"date":"2007-01-01","value":10.3002},{"date":"2008-01-01","value":10.1956},{"date":"2009-01-01","value":9.72211},{"date":"2010-01-01","value":9.07393},{"date":"2011-01-01","value":6.73374},{"date":"2012-01-01","value":7.42476},{"date":"2013-01-01","value":7.29126},{"date":"2014-01-01","value":7.26389},{"date":"2015-01-01","value":7.2013},{"date":"2016-01-01","value":7.18471},{"date":"2017-01-01","value":4.39592},{"date":"2018-01-01","value":4.36715},{"date":"2019-01-01","value":4.26176},{"date":"2020-01-01","value":3.55793},{"date":"2021-01-01","value":3.829},{"date":"2022-01-01","value":3.79204}],"summary":{"latest_period":"2022-01-01","latest_value":3.79204,"max":28.1957,"mean":9.0844,"min":2.04647,"of":207,"rank":30,"trend":"volatile"}}