{"entity":{"iso2":"CR","iso3":"CRI","name":"Costa Rica","slug":"costa-rica"},"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":29.7015},{"date":"1962-01-01","value":27.0548},{"date":"1963-01-01","value":17.8849},{"date":"1964-01-01","value":16.8836},{"date":"1965-01-01","value":32.1616},{"date":"1966-01-01","value":24.4818},{"date":"1967-01-01","value":26.675},{"date":"1968-01-01","value":17.5118},{"date":"1969-01-01","value":13.7488},{"date":"1970-01-01","value":13.8859},{"date":"1971-01-01","value":18.7738},{"date":"1972-01-01","value":19.5211},{"date":"1973-01-01","value":17.9354},{"date":"1974-01-01","value":17.3901},{"date":"1975-01-01","value":20.3087},{"date":"1976-01-01","value":22.8817},{"date":"1977-01-01","value":20.3839},{"date":"1978-01-01","value":19.7705},{"date":"1979-01-01","value":20.6276},{"date":"1980-01-01","value":20.8222},{"date":"1981-01-01","value":19.9843},{"date":"1982-01-01","value":17.0386},{"date":"1983-01-01","value":17.9894},{"date":"1984-01-01","value":19.4892},{"date":"1985-01-01","value":19.0154},{"date":"1986-01-01","value":19.3004},{"date":"1987-01-01","value":18.4813},{"date":"1988-01-01","value":18.8051},{"date":"1989-01-01","value":16.7531},{"date":"1990-01-01","value":20.9864},{"date":"1991-01-01","value":19.6108},{"date":"1992-01-01","value":19.1673},{"date":"1993-01-01","value":20.1209},{"date":"1994-01-01","value":20.1948},{"date":"1995-01-01","value":20.7624},{"date":"1996-01-01","value":16.321},{"date":"1997-01-01","value":15.8942},{"date":"1998-01-01","value":15.0961},{"date":"1999-01-01","value":19.5458},{"date":"2000-01-01","value":24.4331},{"date":"2001-01-01","value":30.0255},{"date":"2002-01-01","value":34.4026},{"date":"2003-01-01","value":23.818},{"date":"2004-01-01","value":26.4142},{"date":"2005-01-01","value":20.7851},{"date":"2006-01-01","value":27.4658},{"date":"2007-01-01","value":27.3046},{"date":"2008-01-01","value":26.9638},{"date":"2009-01-01","value":26.3552},{"date":"2010-01-01","value":33.6937},{"date":"2011-01-01","value":26.4081},{"date":"2012-01-01","value":26.7291},{"date":"2013-01-01","value":28.7798},{"date":"2014-01-01","value":24.2687}],"summary":{"latest_period":"2014-01-01","latest_value":24.2687,"max":34.4026,"mean":21.8668,"min":13.7488,"of":204,"rank":152,"trend":"rising"}}