Quarter	Thousand Gross Tons
1888-01-01	157.100
1888-04-01	154.500
1888-07-01	242.400
1888-10-01	284.000
1889-01-01	221.800
1889-04-01	334.200
1889-07-01	300.900
1889-10-01	352.600
1890-01-01	284.000
1890-04-01	326.400
1890-07-01	306.600
1890-10-01	277.700
1891-01-01	243.400
1891-04-01	325.000
1891-07-01	281.600
1891-10-01	280.800
1892-01-01	245.500
1892-04-01	246.700
1892-07-01	320.300
1892-10-01	281.400
1893-01-01	175.200
1893-04-01	198.800
1893-07-01	233.900
1893-10-01	226.200
1894-01-01	265.300
1894-04-01	299.200
1894-07-01	222.000
1894-10-01	259.700
1895-01-01	158.400
1895-04-01	281.600
1895-07-01	290.300
1895-10-01	215.700
1896-01-01	282.400
1896-04-01	263.300
1896-07-01	298.200
1896-10-01	308.000
1897-01-01	199.800
1897-04-01	297.200
1897-07-01	223.300
1897-10-01	232.500
1898-01-01	230.300
1898-04-01	414.700
1898-07-01	306.400
1898-10-01	432.100
1899-01-01	300.500
1899-04-01	340.900
1899-07-01	393.300
1899-10-01	414.600
1900-01-01	265.200
1900-04-01	378.400
1900-07-01	350.700
1900-10-01	438.700
1901-01-01	275.400
1901-04-01	398.600
1901-07-01	430.400
1901-10-01	420.300
1902-01-01	313.400
1902-04-01	401.900
1902-07-01	355.200
1902-10-01	364.100
1903-01-01	246.100
1903-04-01	292.300
1903-07-01	292.100
1903-10-01	369.000
1904-01-01	261.900
1904-04-01	296.400
1904-07-01	354.700
1904-10-01	307.700
1905-01-01	309.300
1905-04-01	396.100
1905-07-01	421.800
1905-10-01	480.400
1906-01-01	368.500
1906-04-01	514.400
1906-07-01	473.600
1906-10-01	448.900
1907-01-01	324.000
1907-04-01	446.000
1907-07-01	413.700
1907-10-01	399.100
1908-01-01	171.500
1908-04-01	208.400
1908-07-01	277.900
1908-10-01	259.900
1909-01-01	178.000
1909-04-01	235.000
1909-07-01	269.300
1909-10-01	283.400
1910-01-01	242.600
1910-04-01	345.400
1910-07-01	342.400
1910-10-01	209.400
1911-01-01	401.600
1911-04-01	520.900
1911-07-01	392.600
1911-10-01	470.700
1912-01-01	327.700
1912-04-01	427.800
1912-07-01	484.800
1912-10-01	482.600
1913-01-01	386.900
1913-04-01	503.900
1913-07-01	457.500
1913-10-01	567.900
1914-01-01	429.100
1914-04-01	444.900
1914-07-01	376.300
1914-10-01	418.700
1915-01-01	267.600
1915-04-01	148.200
1915-07-01	146.400
1915-10-01	94.0000
1916-01-01	80.7000
1916-04-01	157.600
1916-07-01	192.300
1916-10-01	187.000
1917-01-01	236.500
1917-04-01	279.700
1917-07-01	259.500
1917-10-01	322.300
1918-01-01	306.500
1918-04-01	350.600
1918-07-01	257.000
1918-10-01	397.200
1919-01-01	205.400
1919-04-01	527.900
1919-07-01	416.000
1919-10-01	459.300
1920-01-01	454.300
1920-04-01	523.000
1920-07-01	483.000
1920-10-01	579.900
1921-01-01	433.600
1921-04-01	321.700
1921-07-01	307.900
1921-10-01	467.200
1922-01-01	334.400
1922-04-01	148.900
1922-07-01	307.200
1922-10-01	260.600
1923-01-01	228.400
1923-04-01	239.400
1923-07-01	66.5000
1923-10-01	114.600
1924-01-01	361.500
1924-04-01	365.300
1924-07-01	360.200
1924-10-01	352.600
1925-01-01	339.100
1925-04-01	298.200
1925-07-01	225.200
1925-10-01	216.500
1926-01-01	190.700
1926-04-01	171.700
1926-07-01	207.700
1926-10-01	67.9000
1927-01-01	127.700
1927-04-01	268.500
1927-07-01	355.500
1927-10-01	498.600
1928-01-01	406.700
1928-04-01	403.200
1928-07-01	387.600
1928-10-01	245.900
1929-01-01	289.800
1929-04-01	392.900
1929-07-01	369.400
1929-10-01	472.900
1930-01-01	344.700
1930-04-01	468.000
1930-07-01	378.600
1930-10-01	296.800
1931-01-01	145.500
1931-04-01	170.100
1931-07-01	80.3000
1931-10-01	70.7000
1932-01-01	35.3000
1932-04-01	69.3000
1932-07-01	47.9000
1932-10-01	39.4000
1933-01-01	12.9000
1933-04-01	11.0000
1933-07-01	42.1000
1933-10-01	65.3000
1934-01-01	34.8000
1934-04-01	36.0000
1934-07-01	183.400
1934-10-01	206.500
1935-01-01	106.100
1935-04-01	116.000
1935-07-01	112.800
1935-10-01	132.100
1936-01-01	194.300
1936-04-01	168.000
1936-07-01	212.100
1936-10-01	280.400
1937-01-01	175.700
1937-04-01	252.600
1937-07-01	265.600
1937-10-01	223.500
1938-01-01	180.000
1938-04-01	286.700
1938-07-01	309.800
1938-10-01	241.600
1939-01-01	157.800
1939-04-01	137.600