....  up to
  1744

  1747  up to
  1796

  1796  up to
  1818

  1819  up to
  1834

  1834  up to
  1844

  1844  up to
  1853

  1854  up to
  1861

  1862  up to
  1869

  1869  up to
  1875

  1876  up to
  1889

  1889  up to
  1895

  1895  up to
  1904

  1904  up to
  1911

  1911  up to
  1918

  1918  up to
  1924

  1924  up to
  1934

  1935  up to
  1952

  1953  up to
  1982

  1987  up to
  ....

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