Quarter	Thousand Gross Tons
1888-01-01	243.500
1888-04-01	166.900
1888-07-01	287.600
1888-10-01	376.500
1889-01-01	283.700
1889-04-01	291.200
1889-07-01	266.800
1889-10-01	344.900
1890-01-01	277.900
1890-04-01	193.900
1890-07-01	207.900
1890-10-01	341.300
1891-01-01	255.000
1891-04-01	263.000
1891-07-01	246.800
1891-10-01	383.000
1892-01-01	278.700
1892-04-01	220.200
1892-07-01	174.200
1892-10-01	180.600
1893-01-01	234.600
1893-04-01	189.000
1893-07-01	246.400
1893-10-01	233.900
1894-01-01	283.200
1894-04-01	288.000
1894-07-01	157.600
1894-10-01	246.100
1895-01-01	240.200
1895-04-01	252.300
1895-07-01	295.400
1895-10-01	254.200
1896-01-01	242.300
1896-04-01	269.900
1896-07-01	199.300
1896-10-01	405.100
1897-01-01	248.300
1897-04-01	320.200
1897-07-01	235.900
1897-10-01	317.300
1898-01-01	328.900
1898-04-01	434.000
1898-07-01	391.000
1898-10-01	436.500
1899-01-01	347.500
1899-04-01	346.400
1899-07-01	307.400
1899-10-01	339.800
1900-01-01	245.400
1900-04-01	378.200
1900-07-01	314.700
1900-10-01	482.700
1901-01-01	376.000
1901-04-01	350.900
1901-07-01	496.100
1901-10-01	356.000
1902-01-01	228.800
1902-04-01	304.500
1902-07-01	267.300
1902-10-01	266.900
1903-01-01	206.100
1903-04-01	372.500
1903-07-01	187.300
1903-10-01	290.300
1904-01-01	349.700
1904-04-01	343.200
1904-07-01	351.700
1904-10-01	330.800
1905-01-01	501.400
1905-04-01	459.400
1905-07-01	376.100
1905-10-01	517.300
1906-01-01	434.900
1906-04-01	475.600
1906-07-01	353.300
1906-10-01	353.200
1907-01-01	453.100
1907-04-01	397.200
1907-07-01	297.600
1907-10-01	284.700
1908-01-01	165.600
1908-04-01	162.300
1908-07-01	184.400
1908-10-01	284.000
1909-01-01	282.400
1909-04-01	195.700
1909-07-01	297.900
1909-10-01	406.100
1910-01-01	373.800
1910-04-01	394.700
1910-07-01	360.300
1910-10-01	231.500
1911-01-01	510.500
1911-04-01	471.300
1911-07-01	398.700
1911-10-01	542.900
1912-01-01	528.900
1912-04-01	561.100
1912-07-01	469.400
1912-10-01	555.800
1913-01-01	489.800
1913-04-01	459.400
1913-07-01	432.700
1913-10-01	484.400
1914-01-01	373.000
1914-04-01	403.400
1914-07-01	294.400
1914-10-01	356.900
1915-01-01	292.400
1915-04-01	172.300
1915-07-01	148.400
1915-10-01	83.7000
1916-01-01	102.900
1916-04-01	193.700
1916-07-01	320.100
1916-10-01	242.900
1917-01-01	334.700
1917-04-01	191.700
1917-07-01	211.500
1917-10-01	349.000
1918-01-01	282.400
1918-04-01	389.000
1918-07-01	345.000
1918-10-01	551.700
1919-01-01	425.100
1919-04-01	660.000
1919-07-01	713.900
1919-10-01	603.600
1920-01-01	708.000
1920-04-01	588.600
1920-07-01	593.800
1920-10-01	506.400
1921-01-01	392.900
1921-04-01	69.0000
1921-07-01	51.3000
1921-10-01	55.3000
1922-01-01	51.0000
1922-04-01	38.9000
1922-07-01	82.4000
1922-10-01	231.200
1923-01-01	355.200
1923-04-01	241.300
1923-07-01	111.900
1923-10-01	244.500
1924-01-01	227.800
1924-04-01	375.200
1924-07-01	252.700
1924-10-01	194.600
1925-01-01	202.400
1925-04-01	189.800
1925-07-01	260.600
1925-10-01	161.000
1926-01-01	193.100
1926-04-01	168.500
1926-07-01	68.3000
1926-10-01	152.400
1927-01-01	579.800
1927-04-01	437.100
1927-07-01	370.100
1927-10-01	377.500
1928-01-01	341.800
1928-04-01	279.000
1928-07-01	244.600
1928-10-01	431.800
1929-01-01	362.400
1929-04-01	428.400
1929-07-01	360.100
1929-10-01	499.000
1930-01-01	426.600
1930-04-01	230.500
1930-07-01	160.700
1930-10-01	132.000
1931-01-01	32.7000
1931-04-01	23.4000
1931-07-01	38.7000
1931-10-01	104.800
1932-01-01	25.7000
1932-04-01	28.0000
1932-07-01	10.8000
1932-10-01	7.40000
1933-01-01	77.3000
1933-04-01	50.0000
1933-07-01	39.7000
1933-10-01	74.7000
1934-01-01	203.000
1934-04-01	146.700
1934-07-01	76.9000
1934-10-01	93.4000
1935-01-01	144.400
1935-04-01	108.100
1935-07-01	119.000
1935-10-01	311.100
1936-01-01	232.500
1936-04-01	282.300
1936-07-01	293.200
1936-10-01	272.500
1937-01-01	253.500
1937-04-01	367.700
1937-07-01	218.600
1937-10-01	217.500
1938-01-01	173.000
1938-04-01	157.000
1938-07-01	87.5000
1938-10-01	87.6000
1939-01-01	71.2000
1939-04-01	402.100