{"entity":{"iso2":"ZA","iso3":"ZAF","name":"South Africa","slug":"south-africa"},"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":69.5545},{"date":"1962-01-01","value":68.4188},{"date":"1963-01-01","value":66.588},{"date":"1964-01-01","value":55.6471},{"date":"1965-01-01","value":54.5201},{"date":"1966-01-01","value":58.2249},{"date":"1967-01-01","value":80.5016},{"date":"1968-01-01","value":53.9045},{"date":"1969-01-01","value":52.4337},{"date":"1970-01-01","value":52.452},{"date":"1971-01-01","value":60.4151},{"date":"1972-01-01","value":57.2896},{"date":"1973-01-01","value":40.3966},{"date":"1974-01-01","value":68.0878},{"date":"1975-01-01","value":53.1816},{"date":"1976-01-01","value":46.4152},{"date":"1977-01-01","value":51.2947},{"date":"1978-01-01","value":50.0795},{"date":"1979-01-01","value":44.2849},{"date":"1980-01-01","value":45.3022},{"date":"1981-01-01","value":51.4761},{"date":"1982-01-01","value":40.3364},{"date":"1983-01-01","value":33.4652},{"date":"1984-01-01","value":35.3169},{"date":"1985-01-01","value":45.1377},{"date":"1986-01-01","value":47.3829},{"date":"1987-01-01","value":53.8222},{"date":"1988-01-01","value":49.7881},{"date":"1989-01-01","value":56.731},{"date":"1990-01-01","value":45.4813},{"date":"1991-01-01","value":46.7827},{"date":"1992-01-01","value":27.0351},{"date":"1993-01-01","value":44.414},{"date":"1994-01-01","value":55.7217},{"date":"1995-01-01","value":33.771},{"date":"1996-01-01","value":49.8456},{"date":"1997-01-01","value":47.2863},{"date":"1998-01-01","value":41.0234},{"date":"1999-01-01","value":42.4192},{"date":"2000-01-01","value":49.8084},{"date":"2001-01-01","value":42.9314},{"date":"2002-01-01","value":43.3958},{"date":"2003-01-01","value":41.7635},{"date":"2004-01-01","value":42.5085},{"date":"2005-01-01","value":54.0952},{"date":"2006-01-01","value":37.8466},{"date":"2007-01-01","value":34.9132},{"date":"2008-01-01","value":49.082},{"date":"2009-01-01","value":45.6276},{"date":"2010-01-01","value":48.1223},{"date":"2011-01-01","value":45.1539},{"date":"2012-01-01","value":46.6967},{"date":"2013-01-01","value":48.4326},{"date":"2014-01-01","value":59.3837}],"summary":{"latest_period":"2014-01-01","latest_value":59.3837,"max":80.5016,"mean":49.3702,"min":27.0351,"of":204,"rank":77,"trend":"falling"}}