{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"secondary-income-receipts-bop-current-us-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Secondary income receipts (BoP, current US$), per square kilometre","unit":"BoP, current US$ per square kilometre"},"observations":[{"date":"1971-01-01","value":2537.11},{"date":"1972-01-01","value":2865.29},{"date":"1973-01-01","value":3971.58},{"date":"1974-01-01","value":7693.99},{"date":"1975-01-01","value":11039.9},{"date":"1976-01-01","value":11603.1},{"date":"1977-01-01","value":11690.7},{"date":"1978-01-01","value":13038.2},{"date":"1979-01-01","value":15951.1},{"date":"1980-01-01","value":18171.5},{"date":"1981-01-01","value":24043.6},{"date":"1982-01-01","value":39573.8},{"date":"1983-01-01","value":50249.3},{"date":"1984-01-01","value":36624.3},{"date":"1985-01-01","value":28616.1},{"date":"1986-01-01","value":40177.5},{"date":"1987-01-01","value":42857.8},{"date":"1988-01-01","value":45935.1},{"date":"1989-01-01","value":55475.8},{"date":"1990-01-01","value":64622.6},{"date":"1991-01-01","value":61089.6},{"date":"1992-01-01","value":61010.0},{"date":"1993-01-01","value":72280.1},{"date":"1994-01-01","value":67360.4},{"date":"2001-01-01","value":80147.9},{"date":"2002-01-01","value":102234.0},{"date":"2003-01-01","value":96151.5},{"date":"2004-01-01","value":114406.0},{"date":"2005-01-01","value":129406.0},{"date":"2006-01-01","value":138859.0},{"date":"2007-01-01","value":139899.0},{"date":"2008-01-01","value":161407.0},{"date":"2009-01-01","value":150833.0},{"date":"2010-01-01","value":141922.0},{"date":"2011-01-01","value":146703.0},{"date":"2012-01-01","value":182592.0},{"date":"2013-01-01","value":202581.0},{"date":"2014-01-01","value":215214.0},{"date":"2015-01-01","value":209196.0},{"date":"2016-01-01","value":216008.0},{"date":"2017-01-01","value":257454.0},{"date":"2018-01-01","value":268853.0},{"date":"2019-01-01","value":271322.0},{"date":"2020-01-01","value":263065.0},{"date":"2021-01-01","value":304146.0},{"date":"2022-01-01","value":344474.0},{"date":"2023-01-01","value":349501.0}],"summary":{"latest_period":"2023-01-01","latest_value":349501.0,"max":349501.0,"mean":112231.0,"min":2537.11,"of":197,"rank":22,"trend":"volatile"}}