{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"sdrs-holdings-sdr-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"SDRs holdings, SDR, per square kilometre","unit":"units 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":0.0},{"date":"1983-01-01","value":0.0},{"date":"1984-01-01","value":0.0},{"date":"1985-01-01","value":0.0},{"date":"1986-01-01","value":0.26119},{"date":"1987-01-01","value":0.26119},{"date":"1988-01-01","value":0.293839},{"date":"1989-01-01","value":0.326488},{"date":"1990-01-01","value":1.92628},{"date":"1991-01-01","value":17.663},{"date":"1992-01-01","value":2.51396},{"date":"1993-01-01","value":1.69447},{"date":"1994-01-01","value":3.34059},{"date":"1995-01-01","value":4.93327},{"date":"1996-01-01","value":10.0541},{"date":"1997-01-01","value":13.0395},{"date":"1998-01-01","value":16.3918},{"date":"1999-01-01","value":26.5595},{"date":"2000-01-01","value":44.3893},{"date":"2001-01-01","value":67.0557},{"date":"2002-01-01","value":94.8026},{"date":"2003-01-01","value":120.455},{"date":"2004-01-01","value":147.44},{"date":"2005-01-01","value":177.674},{"date":"2006-01-01","value":193.407},{"date":"2007-01-01","value":208.109},{"date":"2008-01-01","value":230.444},{"date":"2009-01-01","value":4372.63},{"date":"2010-01-01","value":4253.98},{"date":"2011-01-01","value":3823.37},{"date":"2012-01-01","value":3677.39},{"date":"2013-01-01","value":3471.8},{"date":"2014-01-01","value":3224.19},{"date":"2015-01-01","value":3091.76},{"date":"2016-01-01","value":1021.64},{"date":"2017-01-01","value":980.058},{"date":"2018-01-01","value":971.193},{"date":"2019-01-01","value":956.715},{"date":"2020-01-01","value":957.048},{"date":"2021-01-01","value":13807.9},{"date":"2022-01-01","value":13840.8},{"date":"2023-01-01","value":13842.8}],"summary":{"latest_period":"2023-01-01","latest_value":13842.8,"max":13842.8,"mean":1169.47,"min":0.0,"of":189,"rank":49,"trend":"volatile"}}