{"entity":{"iso2":"PT","iso3":"PRT","name":"Portugal","slug":"portugal"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"nitrogen-use-efficiency","source":"Lassaletta et al. (2014) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/nitrogen-use-efficiency","title":"Nitrogen use efficiency","unit":"%"},"observations":[{"date":"1961-01-01","value":33.3896},{"date":"1962-01-01","value":42.5226},{"date":"1963-01-01","value":33.5},{"date":"1964-01-01","value":26.4591},{"date":"1965-01-01","value":31.8222},{"date":"1966-01-01","value":29.648},{"date":"1967-01-01","value":31.0923},{"date":"1968-01-01","value":32.4182},{"date":"1969-01-01","value":24.9761},{"date":"1970-01-01","value":33.4806},{"date":"1971-01-01","value":33.219},{"date":"1972-01-01","value":23.5814},{"date":"1973-01-01","value":22.8034},{"date":"1974-01-01","value":23.8134},{"date":"1975-01-01","value":22.1992},{"date":"1976-01-01","value":22.916},{"date":"1977-01-01","value":14.746},{"date":"1978-01-01","value":16.7437},{"date":"1979-01-01","value":16.4471},{"date":"1980-01-01","value":18.8982},{"date":"1981-01-01","value":14.7059},{"date":"1982-01-01","value":18.3867},{"date":"1983-01-01","value":17.0165},{"date":"1984-01-01","value":24.1865},{"date":"1985-01-01","value":32.0573},{"date":"1986-01-01","value":33.3443},{"date":"1987-01-01","value":34.7979},{"date":"1988-01-01","value":30.4168},{"date":"1989-01-01","value":34.7128},{"date":"1990-01-01","value":31.571},{"date":"1991-01-01","value":35.2193},{"date":"1992-01-01","value":31.4942},{"date":"1993-01-01","value":34.5073},{"date":"1994-01-01","value":37.7925},{"date":"1995-01-01","value":35.5156},{"date":"1996-01-01","value":38.3101},{"date":"1997-01-01","value":38.43},{"date":"1998-01-01","value":36.806},{"date":"1999-01-01","value":40.3429},{"date":"2000-01-01","value":40.8361},{"date":"2001-01-01","value":39.4397},{"date":"2002-01-01","value":32.1285},{"date":"2003-01-01","value":37.5717},{"date":"2004-01-01","value":36.8304},{"date":"2005-01-01","value":35.6054},{"date":"2006-01-01","value":43.1545},{"date":"2007-01-01","value":36.5566},{"date":"2008-01-01","value":39.229},{"date":"2009-01-01","value":38.9527},{"date":"2010-01-01","value":37.5894},{"date":"2011-01-01","value":40.0793},{"date":"2012-01-01","value":38.0242},{"date":"2013-01-01","value":36.7101},{"date":"2014-01-01","value":19.2033}],"summary":{"latest_period":"2014-01-01","latest_value":19.2033,"max":43.1545,"mean":31.2259,"min":14.7059,"of":204,"rank":164,"trend":"rising"}}