{"entity":{"iso2":"NG","iso3":"NGA","name":"Nigeria","slug":"nigeria"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"roots-and-tubers-total-area-harvested-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Roots and Tubers, Total \u2014 Area harvested, per square kilometre","unit":"ha per square kilometre"},"observations":[{"date":"1961-01-01","value":1.56571},{"date":"1962-01-01","value":1.7842},{"date":"1963-01-01","value":1.78201},{"date":"1964-01-01","value":1.94341},{"date":"1965-01-01","value":2.006},{"date":"1966-01-01","value":2.10152},{"date":"1967-01-01","value":2.23328},{"date":"1968-01-01","value":2.44848},{"date":"1969-01-01","value":2.47153},{"date":"1970-01-01","value":2.67468},{"date":"1971-01-01","value":2.59176},{"date":"1972-01-01","value":2.44936},{"date":"1973-01-01","value":2.41246},{"date":"1974-01-01","value":1.97679},{"date":"1975-01-01","value":2.1529},{"date":"1976-01-01","value":2.08527},{"date":"1977-01-01","value":1.95274},{"date":"1978-01-01","value":1.79826},{"date":"1979-01-01","value":1.8536},{"date":"1980-01-01","value":1.95494},{"date":"1981-01-01","value":2.44804},{"date":"1982-01-01","value":2.53621},{"date":"1983-01-01","value":2.28159},{"date":"1984-01-01","value":2.37601},{"date":"1985-01-01","value":2.20034},{"date":"1986-01-01","value":2.33934},{"date":"1987-01-01","value":2.3546},{"date":"1988-01-01","value":2.6695},{"date":"1989-01-01","value":2.99316},{"date":"1990-01-01","value":3.38925},{"date":"1991-01-01","value":4.82712},{"date":"1992-01-01","value":5.21251},{"date":"1993-01-01","value":5.53751},{"date":"1994-01-01","value":5.78181},{"date":"1995-01-01","value":6.18948},{"date":"1996-01-01","value":6.27893},{"date":"1997-01-01","value":6.05961},{"date":"1998-01-01","value":6.89264},{"date":"1999-01-01","value":8.02424},{"date":"2000-01-01","value":7.93363},{"date":"2001-01-01","value":8.06904},{"date":"2002-01-01","value":8.38852},{"date":"2003-01-01","value":8.51686},{"date":"2004-01-01","value":8.62648},{"date":"2005-01-01","value":9.09649},{"date":"2006-01-01","value":9.27153},{"date":"2007-01-01","value":9.65349},{"date":"2008-01-01","value":9.50253},{"date":"2009-01-01","value":8.49557},{"date":"2010-01-01","value":9.26194},{"date":"2011-01-01","value":11.7236},{"date":"2012-01-01","value":14.4345},{"date":"2013-01-01","value":15.535},{"date":"2014-01-01","value":16.3528},{"date":"2015-01-01","value":17.555},{"date":"2016-01-01","value":16.2125},{"date":"2017-01-01","value":16.394},{"date":"2018-01-01","value":16.8359},{"date":"2019-01-01","value":21.5242},{"date":"2020-01-01","value":21.8685},{"date":"2021-01-01","value":22.6753},{"date":"2022-01-01","value":22.6927},{"date":"2023-01-01","value":22.9618}],"summary":{"latest_period":"2023-01-01","latest_value":22.9618,"max":22.9618,"mean":7.24147,"min":1.56571,"of":169,"rank":1,"trend":"volatile"}}