{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"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":127.226},{"date":"1962-01-01","value":96.1276},{"date":"1963-01-01","value":105.268},{"date":"1964-01-01","value":99.5063},{"date":"1965-01-01","value":98.8353},{"date":"1966-01-01","value":101.345},{"date":"1967-01-01","value":103.331},{"date":"1968-01-01","value":88.3216},{"date":"1969-01-01","value":98.9345},{"date":"1970-01-01","value":85.2554},{"date":"1971-01-01","value":90.3018},{"date":"1972-01-01","value":108.613},{"date":"1973-01-01","value":87.2194},{"date":"1974-01-01","value":91.0631},{"date":"1975-01-01","value":88.6786},{"date":"1976-01-01","value":75.6839},{"date":"1977-01-01","value":66.6989},{"date":"1978-01-01","value":46.3705},{"date":"1979-01-01","value":45.4878},{"date":"1980-01-01","value":51.7882},{"date":"1981-01-01","value":42.2769},{"date":"1982-01-01","value":31.6117},{"date":"1983-01-01","value":37.0394},{"date":"1984-01-01","value":40.5995},{"date":"1985-01-01","value":33.0947},{"date":"1986-01-01","value":37.9122},{"date":"1987-01-01","value":29.2905},{"date":"1988-01-01","value":24.3365},{"date":"1989-01-01","value":25.854},{"date":"1990-01-01","value":28.3542},{"date":"1991-01-01","value":27.9672},{"date":"1992-01-01","value":25.7157},{"date":"1993-01-01","value":31.6896},{"date":"1994-01-01","value":29.8183},{"date":"1995-01-01","value":28.5262},{"date":"1996-01-01","value":28.2601},{"date":"1997-01-01","value":28.0844},{"date":"1998-01-01","value":28.1893},{"date":"1999-01-01","value":27.547},{"date":"2000-01-01","value":27.4},{"date":"2001-01-01","value":28.2075},{"date":"2002-01-01","value":27.9296},{"date":"2003-01-01","value":6.06526},{"date":"2004-01-01","value":16.1469},{"date":"2005-01-01","value":18.7734},{"date":"2006-01-01","value":25.1229},{"date":"2007-01-01","value":49.0255},{"date":"2008-01-01","value":44.2459},{"date":"2009-01-01","value":9.45984},{"date":"2010-01-01","value":11.9027},{"date":"2011-01-01","value":30.0532},{"date":"2012-01-01","value":12.8139},{"date":"2013-01-01","value":12.4839},{"date":"2014-01-01","value":37.1728}],"summary":{"latest_period":"2014-01-01","latest_value":37.1728,"max":127.226,"mean":49.982,"min":6.06526,"of":204,"rank":123,"trend":"volatile"}}