{
 "code": "LK.EXT.FX_LONG_RUN.USD_YEAR_END.A",
 "name": "US dollar, year-end exchange rate",
 "unit": "Rs per USD",
 "frequency": "Annual",
 "base_year": null,
 "producer": "Central Bank of Sri Lanka",
 "publisher": "Central Bank of Sri Lanka",
 "source_url": "https://www.cbsl.gov.lk/en/publications/economic-and-financial-reports/annual-economic-review",
 "latest_vintage": "2026-04-20",
 "page": "/data/series/LK.EXT.FX_LONG_RUN.USD_YEAR_END.A/",
 "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": "1950", "value": 4.77, "status": null},
  {"period": "1951", "value": 4.78, "status": null},
  {"period": "1952", "value": 4.75, "status": null},
  {"period": "1953", "value": 4.75, "status": null},
  {"period": "1954", "value": 4.78, "status": null},
  {"period": "1955", "value": 4.76, "status": null},
  {"period": "1956", "value": 4.79, "status": null},
  {"period": "1957", "value": 4.76, "status": null},
  {"period": "1958", "value": 4.75, "status": null},
  {"period": "1959", "value": 4.76, "status": null},
  {"period": "1960", "value": 4.75, "status": null},
  {"period": "1961", "value": 4.76, "status": null},
  {"period": "1962", "value": 4.76, "status": null},
  {"period": "1963", "value": 4.76, "status": null},
  {"period": "1964", "value": 4.78, "status": null},
  {"period": "1965", "value": 4.78, "status": null},
  {"period": "1966", "value": 4.78, "status": null},
  {"period": "1967", "value": 5.93, "status": null},
  {"period": "1968", "value": 5.93, "status": null},
  {"period": "1969", "value": 5.96, "status": null},
  {"period": "1970", "value": 5.96, "status": null},
  {"period": "1971", "value": 5.96, "status": null},
  {"period": "1972", "value": 6.70, "status": null},
  {"period": "1973", "value": 6.75, "status": null},
  {"period": "1974", "value": 6.69, "status": null},
  {"period": "1975", "value": 7.71, "status": null},
  {"period": "1976", "value": 8.83, "status": null},
  {"period": "1977", "value": 15.56, "status": null},
  {"period": "1978", "value": 15.51, "status": null},
  {"period": "1979", "value": 15.45, "status": null},
  {"period": "1980", "value": 18.00, "status": null},
  {"period": "1981", "value": 20.55, "status": null},
  {"period": "1982", "value": 21.32, "status": null},
  {"period": "1983", "value": 25.00, "status": null},
  {"period": "1984", "value": 26.28, "status": null},
  {"period": "1985", "value": 27.41, "status": null},
  {"period": "1986", "value": 28.52, "status": null},
  {"period": "1987", "value": 30.76, "status": null},
  {"period": "1988", "value": 33.03, "status": null},
  {"period": "1989", "value": 40.00, "status": null},
  {"period": "1990", "value": 40.24, "status": null},
  {"period": "1991", "value": 42.58, "status": null},
  {"period": "1992", "value": 46.00, "status": null},
  {"period": "1993", "value": 49.56, "status": null},
  {"period": "1994", "value": 49.98, "status": null},
  {"period": "1995", "value": 54.05, "status": null},
  {"period": "1996", "value": 56.71, "status": null},
  {"period": "1997", "value": 61.29, "status": null},
  {"period": "1998", "value": 67.78, "status": null},
  {"period": "1999", "value": 72.12, "status": null},
  {"period": "2000", "value": 80.06, "status": null},
  {"period": "2001", "value": 93.16, "status": null},
  {"period": "2002", "value": 96.73, "status": null},
  {"period": "2003", "value": 96.74, "status": null},
  {"period": "2004", "value": 104.61, "status": null},
  {"period": "2005", "value": 102.12, "status": null},
  {"period": "2006", "value": 107.71, "status": null},
  {"period": "2007", "value": 108.72, "status": null},
  {"period": "2008", "value": 113.14, "status": null},
  {"period": "2009", "value": 114.38, "status": null},
  {"period": "2010", "value": 110.95, "status": null},
  {"period": "2011", "value": 113.90, "status": null},
  {"period": "2012", "value": 127.16, "status": null},
  {"period": "2013", "value": 130.75, "status": null},
  {"period": "2014", "value": 131.05, "status": null},
  {"period": "2015", "value": 144.06, "status": null},
  {"period": "2016", "value": 149.80, "status": null},
  {"period": "2017", "value": 152.85, "status": null},
  {"period": "2018", "value": 182.75, "status": null},
  {"period": "2019", "value": 181.63, "status": null},
  {"period": "2020", "value": 186.41, "status": null},
  {"period": "2021", "value": 200.43, "status": null},
  {"period": "2022", "value": 363.11, "status": null},
  {"period": "2023", "value": 323.9233, "status": null},
  {"period": "2024", "value": 292.5833, "status": null},
  {"period": "2025", "value": 309.9944, "status": null}
 ]
}