{"entity":{"iso2":"ES","iso3":"ESP","name":"Spain","slug":"spain"},"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":46.8296},{"date":"1962-01-01","value":49.3202},{"date":"1963-01-01","value":51.5357},{"date":"1964-01-01","value":45.1712},{"date":"1965-01-01","value":46.8152},{"date":"1966-01-01","value":43.4423},{"date":"1967-01-01","value":44.8329},{"date":"1968-01-01","value":42.6825},{"date":"1969-01-01","value":40.456},{"date":"1970-01-01","value":39.435},{"date":"1971-01-01","value":42.4123},{"date":"1972-01-01","value":39.654},{"date":"1973-01-01","value":37.5253},{"date":"1974-01-01","value":40.5786},{"date":"1975-01-01","value":42.2338},{"date":"1976-01-01","value":36.3076},{"date":"1977-01-01","value":38.867},{"date":"1978-01-01","value":40.1625},{"date":"1979-01-01","value":36.4581},{"date":"1980-01-01","value":42.7567},{"date":"1981-01-01","value":34.4494},{"date":"1982-01-01","value":37.9512},{"date":"1983-01-01","value":37.632},{"date":"1984-01-01","value":45.2683},{"date":"1985-01-01","value":42.4245},{"date":"1986-01-01","value":34.3764},{"date":"1987-01-01","value":38.5047},{"date":"1988-01-01","value":40.2553},{"date":"1989-01-01","value":36.721},{"date":"1990-01-01","value":37.748},{"date":"1991-01-01","value":38.8716},{"date":"1992-01-01","value":37.7197},{"date":"1993-01-01","value":37.3387},{"date":"1994-01-01","value":32.4669},{"date":"1995-01-01","value":27.1749},{"date":"1996-01-01","value":37.7971},{"date":"1997-01-01","value":37.5475},{"date":"1998-01-01","value":36.8137},{"date":"1999-01-01","value":31.3005},{"date":"2000-01-01","value":39.9432},{"date":"2001-01-01","value":33.1918},{"date":"2002-01-01","value":37.9449},{"date":"2003-01-01","value":34.4879},{"date":"2004-01-01","value":40.2727},{"date":"2005-01-01","value":30.3489},{"date":"2006-01-01","value":35.8541},{"date":"2007-01-01","value":40.9533},{"date":"2008-01-01","value":46.8213},{"date":"2009-01-01","value":38.5068},{"date":"2010-01-01","value":37.3687},{"date":"2011-01-01","value":43.1011},{"date":"2012-01-01","value":35.7346},{"date":"2013-01-01","value":44.3656},{"date":"2014-01-01","value":36.3909}],"summary":{"latest_period":"2014-01-01","latest_value":36.3909,"max":51.5357,"mean":39.3541,"min":27.1749,"of":204,"rank":126,"trend":"falling"}}