{"entity":{"iso2":"MR","iso3":"MRT","name":"Mauritania","slug":"mauritania"},"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":13.6112},{"date":"1962-01-01","value":13.6047},{"date":"1963-01-01","value":13.5784},{"date":"1964-01-01","value":13.4275},{"date":"1965-01-01","value":14.0938},{"date":"1966-01-01","value":13.0207},{"date":"1967-01-01","value":12.7206},{"date":"1968-01-01","value":12.7269},{"date":"1969-01-01","value":15.3051},{"date":"1970-01-01","value":12.9329},{"date":"1971-01-01","value":10.5552},{"date":"1972-01-01","value":9.45068},{"date":"1973-01-01","value":8.17358},{"date":"1974-01-01","value":11.5864},{"date":"1975-01-01","value":10.9802},{"date":"1976-01-01","value":10.6433},{"date":"1977-01-01","value":7.894},{"date":"1978-01-01","value":8.76098},{"date":"1979-01-01","value":8.52018},{"date":"1980-01-01","value":9.88454},{"date":"1981-01-01","value":11.0761},{"date":"1982-01-01","value":10.4047},{"date":"1983-01-01","value":8.37712},{"date":"1984-01-01","value":9.74473},{"date":"1985-01-01","value":13.3581},{"date":"1986-01-01","value":15.2506},{"date":"1987-01-01","value":16.8935},{"date":"1988-01-01","value":17.1159},{"date":"1989-01-01","value":17.7914},{"date":"1990-01-01","value":10.5536},{"date":"1991-01-01","value":10.2317},{"date":"1992-01-01","value":9.88205},{"date":"1993-01-01","value":14.632},{"date":"1994-01-01","value":17.7194},{"date":"1995-01-01","value":19.1804},{"date":"1996-01-01","value":17.8548},{"date":"1997-01-01","value":14.6223},{"date":"1998-01-01","value":15.527},{"date":"1999-01-01","value":15.1174},{"date":"2000-01-01","value":15.7856},{"date":"2001-01-01","value":11.1755},{"date":"2002-01-01","value":11.2491},{"date":"2003-01-01","value":14.5948},{"date":"2004-01-01","value":10.7951},{"date":"2005-01-01","value":14.574},{"date":"2006-01-01","value":13.5722},{"date":"2007-01-01","value":14.6933},{"date":"2008-01-01","value":16.5123},{"date":"2009-01-01","value":15.6668},{"date":"2010-01-01","value":18.6729},{"date":"2011-01-01","value":13.8525},{"date":"2012-01-01","value":19.6959},{"date":"2013-01-01","value":17.2652},{"date":"2014-01-01","value":17.3727}],"summary":{"latest_period":"2014-01-01","latest_value":17.3727,"max":19.6959,"mean":13.3756,"min":7.894,"of":204,"rank":167,"trend":"rising"}}