═════════╤══════╤══════╤══════╤══════╤══════╤══════╤══════╤══════╤══════╤══════ │1906. │1907. │1908. │1909. │1910. │1911. │1912. │1913. │1914. │1915. ─────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼────── Jan. │$15.38│$16.75│$20.63│$20.25│$22.13│$21.00│$23.38│$19.13│$21.13│$22.00 Feb. │ 15.38│ 17.80│ 21.13│ 22.00│ 21.88│ 20.50│ 24.88│ 18.13│ 21.50│ 22.13 Mar. │ 14.88│ 18.25│ 22.50│ 22.13│ 20.50│ 20.00│ 24.38│ 17.13│ 22.75│ 20.63 Apr. │ 16.13│ 17.88│ 22.75│ 22.50│ 18.50│ 21.00│ 24.38│ 16.38│ 22.88│ 22.63 May │ 16.38│ 19.00│ 22.88│ 23.88│ 18.75│ 21.25│ 23.75│ 17.38│ 22.13│ 22.88 June │ 15.50│ 18.88│ 20.63│ 22.25│ 17.88│ 20.50│ 22.75│ 18.63│ 21.25│ 23.13 July │ 15.88│ 19.25│ 20.50│ 20.75│ 20.50│ 21.88│ 23.25│ 18.63│ 21.00│ 25.13 Aug. │ 15.38│ 21.25│ 21.75│ 20.13│ 21.00│ 23.50│ 22.25│ 20.50│ 23.50│ 12.25 Sep. │ 15.88│ 23.50│ 20.75│ 19.00│ 19.50│ 23.88│ 21.75│ 22.63│ 21.50│ 20.00 Oct. │ 16.75│ 24.00│ 19.50│ 18.63│ 19.25│ 23.38│ 20.00│ 21.63│ 19.00│ 18.50 Nov. │ 17.75│ 21.00│ 19.25│ 19.00│ 20.38│ 22.75│ 17.63│ 21.25│ 20.50│ 18.13 Dec. │ 17.13│ 20.00│ 19.38│ 20.38│ 21.50│ 22.38│ 18.13│ 20.50│ 21.00│ 18.33 ─────────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴────── ═════════╤══════╤══════╤══════╤══════╤══════╤══════╤══════╤══════╤══════╤══════ │1916. │1917. │1918. │1919. │1920. │1921. │1922. │1923. │1924. │1925. ─────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼────── Jan. │$19.88│$29.00│$35.25│$46.00│ │ │ │ │ │ Feb. │ 21.00│ 31.25│ 38.00│ 39.75│ │ │ │ │ │ Mar. │ 19.50│ 35.50│ 37.75│ 38.75│ │ │ │ │ │ Apr. │ 19.00│ 39.00│ 35.25│ 42.25│ │ │ │ │ │ May │ 20.00│ 36.00│ 33.25│ 45.00│ │ │ │ │ │ June │ 19.50│ 32.25│ 33.25│ 43.50│ │ │ │ │ │ July │ 19.13│ 40.00│ 30.85│ 50.00│ │ │ │ │ │ Aug. │ 21.00│ 39.75│ 31.71│ 54.00│ │ │ │ │ │ Sep. │ 23.50│ 34.00│ 31.26│ 51.00│ │ │ │ │ │ Oct. │ 27.25│ 36.50│ 30.81│ 44.00│ │ │ │ │ │ Nov. │ 30.00│ 34.50│ 30.21│ 41.50│ │ │ │ │ │ Dec. │ 27.50│ 37.75│ 40.24│ 42.25│ │ │ │ │ │ ─────────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────