{"entity":{"iso2":"KP","iso3":"PRK","name":"North Korea","slug":"korea-dem-people-s-rep"},"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":49.6825},{"date":"1962-01-01","value":44.3383},{"date":"1963-01-01","value":45.8243},{"date":"1964-01-01","value":46.7738},{"date":"1965-01-01","value":41.8086},{"date":"1966-01-01","value":42.2753},{"date":"1967-01-01","value":38.4494},{"date":"1968-01-01","value":37.4222},{"date":"1969-01-01","value":37.5136},{"date":"1970-01-01","value":30.2592},{"date":"1971-01-01","value":29.7944},{"date":"1972-01-01","value":28.1537},{"date":"1973-01-01","value":27.9161},{"date":"1974-01-01","value":28.7467},{"date":"1975-01-01","value":28.6626},{"date":"1976-01-01","value":22.2141},{"date":"1977-01-01","value":20.5797},{"date":"1978-01-01","value":17.8434},{"date":"1979-01-01","value":18.1473},{"date":"1980-01-01","value":17.6571},{"date":"1981-01-01","value":18.2181},{"date":"1982-01-01","value":17.0467},{"date":"1983-01-01","value":17.0911},{"date":"1984-01-01","value":17.9523},{"date":"1985-01-01","value":17.4258},{"date":"1986-01-01","value":18.6401},{"date":"1987-01-01","value":19.0141},{"date":"1988-01-01","value":18.3561},{"date":"1989-01-01","value":18.5455},{"date":"1990-01-01","value":18.5373},{"date":"1991-01-01","value":21.6404},{"date":"1992-01-01","value":21.0074},{"date":"1993-01-01","value":21.8454},{"date":"1994-01-01","value":35.6263},{"date":"1995-01-01","value":52.1426},{"date":"1996-01-01","value":48.2583},{"date":"1997-01-01","value":35.3075},{"date":"1998-01-01","value":46.8726},{"date":"1999-01-01","value":38.1468},{"date":"2000-01-01","value":32.7793},{"date":"2001-01-01","value":34.3652},{"date":"2002-01-01","value":39.7047},{"date":"2003-01-01","value":40.3974},{"date":"2004-01-01","value":38.4221},{"date":"2005-01-01","value":40.1282},{"date":"2006-01-01","value":39.3574},{"date":"2007-01-01","value":35.5026},{"date":"2008-01-01","value":39.7271},{"date":"2009-01-01","value":39.4946},{"date":"2010-01-01","value":36.7415},{"date":"2011-01-01","value":37.3803},{"date":"2012-01-01","value":38.0788},{"date":"2013-01-01","value":37.9496},{"date":"2014-01-01","value":41.8473}],"summary":{"latest_period":"2014-01-01","latest_value":41.8473,"max":52.1426,"mean":31.9928,"min":17.0467,"of":204,"rank":115,"trend":"rising"}}