{"entity":{"iso2":"RO","iso3":"ROU","name":"Romania","slug":"romania"},"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":"2002-01-01","value":0.62711},{"date":"2003-01-01","value":0.457715},{"date":"2004-01-01","value":0.430732},{"date":"2005-01-01","value":0.300979},{"date":"2006-01-01","value":0.668584},{"date":"2007-01-01","value":0.298481},{"date":"2008-01-01","value":0.235853},{"date":"2009-01-01","value":0.222115},{"date":"2010-01-01","value":0.314702},{"date":"2011-01-01","value":0.307517},{"date":"2012-01-01","value":0.20868},{"date":"2013-01-01","value":0.115094},{"date":"2014-01-01","value":0.132423},{"date":"2015-01-01","value":0.111211},{"date":"2016-01-01","value":0.147524},{"date":"2017-01-01","value":0.141744},{"date":"2018-01-01","value":0.179883},{"date":"2019-01-01","value":0.19099},{"date":"2020-01-01","value":0.0860943},{"date":"2021-01-01","value":0.0643234}],"summary":{"latest_period":"2021-01-01","latest_value":0.0643234,"max":0.668584,"mean":0.262088,"min":0.0643234,"of":32,"rank":18,"trend":"volatile"}}