{"entity":{"iso2":"DK","iso3":"DNK","name":"Denmark","slug":"denmark"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"average-ammonium-concentration-in-freshwater","source":"European Environment Agency (2023) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/average-ammonium-concentration-in-freshwater","title":"Average ammonium concentration in freshwater","unit":"milligrams per litre"},"observations":[{"date":"1992-01-01","value":0.0963078},{"date":"1993-01-01","value":0.0885525},{"date":"1994-01-01","value":0.0647939},{"date":"1995-01-01","value":0.0583507},{"date":"1996-01-01","value":0.180801},{"date":"1997-01-01","value":0.102764},{"date":"1998-01-01","value":0.0653202},{"date":"1999-01-01","value":0.0662092},{"date":"2000-01-01","value":0.0624021},{"date":"2001-01-01","value":0.0592671},{"date":"2002-01-01","value":0.0664034},{"date":"2003-01-01","value":0.0863036},{"date":"2004-01-01","value":0.0892479},{"date":"2005-01-01","value":0.0961673},{"date":"2006-01-01","value":0.106233},{"date":"2007-01-01","value":0.0683243},{"date":"2008-01-01","value":0.0588689},{"date":"2009-01-01","value":0.0790966},{"date":"2010-01-01","value":0.1022},{"date":"2011-01-01","value":0.0861901},{"date":"2012-01-01","value":0.0595653},{"date":"2013-01-01","value":0.0637255},{"date":"2014-01-01","value":0.0648574},{"date":"2015-01-01","value":0.06563},{"date":"2016-01-01","value":0.0639166},{"date":"2017-01-01","value":0.0646462},{"date":"2018-01-01","value":0.0899235},{"date":"2019-01-01","value":0.112862},{"date":"2020-01-01","value":0.10613},{"date":"2021-01-01","value":0.0960915}],"summary":{"latest_period":"2021-01-01","latest_value":0.0960915,"max":0.180801,"mean":0.0823717,"min":0.0583507,"of":32,"rank":13,"trend":"falling"}}