{
 "code": "LK.EXT.TRADE.TERMS_OF_TRADE_1997_100.M",
 "name": "Terms of Trade (1997=100) (CBSL Trade Indices (In Rs terms))",
 "unit": "Index points",
 "frequency": "Monthly",
 "base_year": null,
 "producer": "Central Bank of Sri Lanka",
 "publisher": "Central Bank of Sri Lanka",
 "source_url": "https://www.cbsl.lk/eresearch",
 "latest_vintage": "2015-12-29",
 "page": "/data/series/LK.EXT.TRADE.TERMS_OF_TRADE_1997_100.M/",
 "notice": "Compiled by Macro Lab; not an official publication of the source agency. Provided as is, without warranty of any kind. Not investment advice.",
 "observations": [
  {"period": "1997-01", "value": 97.8, "status": null},
  {"period": "1997-02", "value": 91.6, "status": null},
  {"period": "1997-03", "value": 90.4, "status": null},
  {"period": "1997-04", "value": 98.7, "status": null},
  {"period": "1997-05", "value": 108.9, "status": null},
  {"period": "1997-06", "value": 94.3, "status": null},
  {"period": "1997-07", "value": 107.5, "status": null},
  {"period": "1997-08", "value": 106.5, "status": null},
  {"period": "1997-09", "value": 108.4, "status": null},
  {"period": "1997-10", "value": 101.5, "status": null},
  {"period": "1997-11", "value": 96.4, "status": null},
  {"period": "1997-12", "value": 94.1, "status": null},
  {"period": "1998-01", "value": 100.0, "status": null},
  {"period": "1998-02", "value": 99.0, "status": null},
  {"period": "1998-03", "value": 107.5, "status": null},
  {"period": "1998-04", "value": 123.1, "status": null},
  {"period": "1998-05", "value": 139.4, "status": null},
  {"period": "1998-06", "value": 114.2, "status": null},
  {"period": "1998-07", "value": 124.3, "status": null},
  {"period": "1998-08", "value": 115.4, "status": null},
  {"period": "1998-09", "value": 125.5, "status": null},
  {"period": "1998-10", "value": 113.4, "status": null},
  {"period": "1998-11", "value": 107.1, "status": null},
  {"period": "1998-12", "value": 98.6, "status": null},
  {"period": "1999-01", "value": 111.1, "status": null},
  {"period": "1999-02", "value": 113.2, "status": null},
  {"period": "1999-03", "value": 108.1, "status": null},
  {"period": "1999-04", "value": 95.6, "status": null},
  {"period": "1999-05", "value": 108.6, "status": null},
  {"period": "1999-06", "value": 111.5, "status": null},
  {"period": "1999-07", "value": 123.1, "status": null},
  {"period": "1999-08", "value": 95.1, "status": null},
  {"period": "1999-09", "value": 119.4, "status": null},
  {"period": "1999-10", "value": 106.7, "status": null},
  {"period": "1999-11", "value": 106.6, "status": null},
  {"period": "1999-12", "value": 103.5, "status": null},
  {"period": "2000-01", "value": 95.3, "status": null},
  {"period": "2000-02", "value": 98.2, "status": null},
  {"period": "2000-03", "value": 93.3, "status": null},
  {"period": "2000-04", "value": 107.0, "status": null},
  {"period": "2000-05", "value": 99.8, "status": null},
  {"period": "2000-06", "value": 106.0, "status": null},
  {"period": "2000-07", "value": 106.3, "status": null},
  {"period": "2000-08", "value": 111.0, "status": null},
  {"period": "2000-09", "value": 94.9, "status": null},
  {"period": "2000-10", "value": 86.5, "status": null},
  {"period": "2000-11", "value": 97.1, "status": null},
  {"period": "2000-12", "value": 69.1, "status": null},
  {"period": "2001-01", "value": 99.6, "status": null},
  {"period": "2001-02", "value": 89.4, "status": null},
  {"period": "2001-03", "value": 101.6, "status": null},
  {"period": "2001-04", "value": 97.6, "status": null},
  {"period": "2001-05", "value": 87.8, "status": null},
  {"period": "2001-06", "value": 91.2, "status": null},
  {"period": "2001-07", "value": 105.0, "status": null},
  {"period": "2001-08", "value": 111.2, "status": null},
  {"period": "2001-09", "value": 113.1, "status": null},
  {"period": "2001-10", "value": 115.1, "status": null},
  {"period": "2001-11", "value": 90.3, "status": null},
  {"period": "2001-12", "value": 98.4, "status": null},
  {"period": "2002-01", "value": 102.2, "status": null},
  {"period": "2002-02", "value": 113.6, "status": null},
  {"period": "2002-03", "value": 100.3, "status": null},
  {"period": "2002-04", "value": 119.3, "status": null},
  {"period": "2002-05", "value": 86.1, "status": null},
  {"period": "2002-06", "value": 96.6, "status": null},
  {"period": "2002-07", "value": 105.2, "status": null},
  {"period": "2002-08", "value": 115.6, "status": null},
  {"period": "2002-09", "value": 118.1, "status": null},
  {"period": "2002-10", "value": 106.8, "status": null},
  {"period": "2002-11", "value": 108.4, "status": null},
  {"period": "2002-12", "value": 101.8, "status": null},
  {"period": "2003-01", "value": 109.1, "status": null},
  {"period": "2003-02", "value": 97.5, "status": null},
  {"period": "2003-03", "value": 105.5, "status": null},
  {"period": "2003-04", "value": 109.9, "status": null},
  {"period": "2003-05", "value": 119.0, "status": null},
  {"period": "2003-06", "value": 120.2, "status": null},
  {"period": "2003-07", "value": 117.6, "status": null},
  {"period": "2003-08", "value": 120.4, "status": null},
  {"period": "2003-09", "value": 117.8, "status": null},
  {"period": "2003-10", "value": 114.7, "status": null},
  {"period": "2003-11", "value": 94.5, "status": null},
  {"period": "2003-12", "value": 100.1, "status": null},
  {"period": "2004-01", "value": 110.5, "status": null},
  {"period": "2004-02", "value": 103.0, "status": null},
  {"period": "2004-03", "value": 104.0, "status": null},
  {"period": "2004-04", "value": 103.1, "status": null},
  {"period": "2004-05", "value": 108.8, "status": null},
  {"period": "2004-06", "value": 109.1, "status": null},
  {"period": "2004-07", "value": 112.1, "status": null},
  {"period": "2004-08", "value": 104.5, "status": null},
  {"period": "2004-09", "value": 104.1, "status": null},
  {"period": "2004-10", "value": 116.9, "status": null},
  {"period": "2004-11", "value": 87.2, "status": null},
  {"period": "2004-12", "value": 94.8, "status": null},
  {"period": "2005-01", "value": 108.1, "status": null},
  {"period": "2005-02", "value": 95.1, "status": null},
  {"period": "2005-03", "value": 100.6, "status": null},
  {"period": "2005-04", "value": 103.2, "status": null},
  {"period": "2005-05", "value": 102.3, "status": null},
  {"period": "2005-06", "value": 108.5, "status": null},
  {"period": "2005-07", "value": 113.4, "status": null},
  {"period": "2005-08", "value": 97.9, "status": null},
  {"period": "2005-09", "value": 90.3, "status": null},
  {"period": "2005-10", "value": 104.8, "status": null},
  {"period": "2005-11", "value": 83.1, "status": null},
  {"period": "2005-12", "value": 99.7, "status": null},
  {"period": "2006-01", "value": 101.0, "status": null},
  {"period": "2006-02", "value": 101.4, "status": null},
  {"period": "2006-03", "value": 103.7, "status": null},
  {"period": "2006-04", "value": 95.3, "status": null},
  {"period": "2006-05", "value": 92.6, "status": null},
  {"period": "2006-06", "value": 103.8, "status": null},
  {"period": "2006-07", "value": 106.0, "status": null},
  {"period": "2006-08", "value": 97.3, "status": null},
  {"period": "2006-09", "value": 88.6, "status": null},
  {"period": "2006-10", "value": 102.9, "status": null},
  {"period": "2006-11", "value": 85.8, "status": null},
  {"period": "2006-12", "value": 95.3, "status": null},
  {"period": "2007-01", "value": 96.6, "status": null},
  {"period": "2007-02", "value": 99.5, "status": null},
  {"period": "2007-03", "value": 107.5, "status": null},
  {"period": "2007-04", "value": 85.5, "status": null},
  {"period": "2007-05", "value": 92.9, "status": null},
  {"period": "2007-06", "value": 101.9, "status": null},
  {"period": "2007-07", "value": 114.8, "status": null},
  {"period": "2007-08", "value": 99.6, "status": null},
  {"period": "2007-09", "value": 85.2, "status": null},
  {"period": "2007-10", "value": 100.0, "status": null},
  {"period": "2007-11", "value": 76.1, "status": null},
  {"period": "2007-12", "value": 86.5, "status": null},
  {"period": "2008-01", "value": 89.1, "status": null},
  {"period": "2008-02", "value": 92.2, "status": null},
  {"period": "2008-03", "value": 91.8, "status": null},
  {"period": "2008-04", "value": 78.1, "status": null},
  {"period": "2008-05", "value": 78.9, "status": null},
  {"period": "2008-06", "value": 83.2, "status": null},
  {"period": "2008-07", "value": 95.2, "status": null},
  {"period": "2008-08", "value": 75.3, "status": null},
  {"period": "2008-09", "value": 78.5, "status": null},
  {"period": "2008-10", "value": 89.7, "status": null},
  {"period": "2008-11", "value": 75.4, "status": null},
  {"period": "2008-12", "value": 83.4, "status": null},
  {"period": "2009-01", "value": 95.8, "status": null},
  {"period": "2009-02", "value": 94.8, "status": null},
  {"period": "2009-03", "value": 82.4, "status": null},
  {"period": "2009-04", "value": 81.6, "status": null},
  {"period": "2009-05", "value": 75.7, "status": null},
  {"period": "2009-06", "value": 80.8, "status": null},
  {"period": "2009-07", "value": 89.9, "status": null},
  {"period": "2009-08", "value": 85.5, "status": null},
  {"period": "2009-09", "value": 91.5, "status": null},
  {"period": "2009-10", "value": 80.2, "status": null},
  {"period": "2009-11", "value": 83.0, "status": null},
  {"period": "2009-12", "value": 90.2, "status": null},
  {"period": "2010-01", "value": 75.3, "status": null},
  {"period": "2010-02", "value": 76.7, "status": null},
  {"period": "2010-03", "value": 78.7, "status": null},
  {"period": "2010-04", "value": 72.5, "status": null},
  {"period": "2010-05", "value": 72.3, "status": null},
  {"period": "2010-06", "value": 78.1, "status": null},
  {"period": "2010-07", "value": 84.3, "status": null},
  {"period": "2010-08", "value": 81.9, "status": null},
  {"period": "2010-09", "value": 81.7, "status": null},
  {"period": "2010-10", "value": 84.7, "status": null},
  {"period": "2010-11", "value": 91.4, "status": null},
  {"period": "2010-12", "value": 100.6, "status": null}
 ]
}