{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"nutrient-nitrogen-n-total-nitrogen-fertilizer-content-applied-that-leaches-per-square","source":"Statizoid (derived)","source_url":null,"title":"Nutrient nitrogen N (total) \u2014 Nitrogen fertilizer content applied that leaches, per square kilometre","unit":"kg per square kilometre"},"observations":[{"date":"1961-01-01","value":0.0},{"date":"1962-01-01","value":0.0},{"date":"1963-01-01","value":0.0},{"date":"1964-01-01","value":0.0},{"date":"1965-01-01","value":0.0},{"date":"1966-01-01","value":0.0},{"date":"1967-01-01","value":0.0},{"date":"1968-01-01","value":0.0},{"date":"1969-01-01","value":0.0},{"date":"1970-01-01","value":0.0},{"date":"1971-01-01","value":0.0},{"date":"1972-01-01","value":0.0},{"date":"1973-01-01","value":0.0},{"date":"1974-01-01","value":0.0},{"date":"1975-01-01","value":0.0},{"date":"1976-01-01","value":0.0},{"date":"1977-01-01","value":0.0},{"date":"1978-01-01","value":0.0},{"date":"1979-01-01","value":0.0},{"date":"1980-01-01","value":0.0},{"date":"1981-01-01","value":0.0},{"date":"1982-01-01","value":26.25},{"date":"1983-01-01","value":35.8333},{"date":"1984-01-01","value":41.6667},{"date":"1985-01-01","value":41.6667},{"date":"1986-01-01","value":0.0},{"date":"1987-01-01","value":0.0},{"date":"1988-01-01","value":0.0},{"date":"1989-01-01","value":0.0},{"date":"1990-01-01","value":0.0},{"date":"1991-01-01","value":0.0},{"date":"1992-01-01","value":0.0},{"date":"1993-01-01","value":0.0},{"date":"1994-01-01","value":0.0},{"date":"1995-01-01","value":0.0},{"date":"1996-01-01","value":0.0},{"date":"1997-01-01","value":0.0},{"date":"1998-01-01","value":0.0},{"date":"1999-01-01","value":0.0},{"date":"2000-01-01","value":0.0},{"date":"2001-01-01","value":0.0},{"date":"2002-01-01","value":0.0},{"date":"2003-01-01","value":0.0},{"date":"2004-01-01","value":0.0},{"date":"2005-01-01","value":0.0},{"date":"2006-01-01","value":0.0},{"date":"2007-01-01","value":0.0},{"date":"2008-01-01","value":44.7043},{"date":"2009-01-01","value":44.7043},{"date":"2010-01-01","value":3.98267},{"date":"2011-01-01","value":2.99942},{"date":"2012-01-01","value":22.4897},{"date":"2013-01-01","value":30.2424},{"date":"2014-01-01","value":19.1494},{"date":"2015-01-01","value":23.1546},{"date":"2016-01-01","value":38.5357},{"date":"2017-01-01","value":47.1621},{"date":"2018-01-01","value":26.4881},{"date":"2019-01-01","value":35.5024},{"date":"2020-01-01","value":35.0588},{"date":"2021-01-01","value":40.3189},{"date":"2022-01-01","value":24.335},{"date":"2023-01-01","value":28.0812}],"summary":{"latest_period":"2023-01-01","latest_value":28.0812,"max":47.1621,"mean":9.71945,"min":0.0,"of":176,"rank":116,"trend":"volatile"}}