Month	Thousands Of Tubes
1921-01-01	988.000
1921-02-01	1222.00
1921-03-01	1795.00
1921-04-01	2349.00
1921-05-01	2947.00
1921-06-01	3147.00
1921-07-01	4028.00
1921-08-01	5907.00
1921-09-01	4366.00
1921-10-01	3792.00
1921-11-01	2835.00
1921-12-01	2760.00
1922-01-01	3125.00
1922-02-01	3462.00
1922-03-01	4023.00
1922-04-01	3534.00
1922-05-01	3961.00
1922-06-01	4174.00
1922-07-01	4091.00
1922-08-01	5078.00
1922-09-01	4669.00
1922-10-01	5050.00
1922-11-01	5135.00
1922-12-01	4548.00
1923-01-01	5269.00
1923-02-01	5386.00
1923-03-01	6501.00
1923-04-01	5679.00
1923-05-01	5757.00
1923-06-01	4787.00
1923-07-01	3500.00
1923-08-01	4771.00
1923-09-01	4339.00
1923-10-01	5140.00
1923-11-01	4603.00
1923-12-01	4385.00
1924-01-01	5184.00
1924-02-01	5424.00
1924-03-01	5625.00
1924-04-01	5380.00
1924-05-01	4992.00
1924-06-01	4658.00
1924-07-01	5143.00
1924-08-01	6688.00
1924-09-01	7342.00
1924-10-01	7861.00
1924-11-01	6136.00
1924-12-01	6273.00
1925-01-01	6343.00
1925-02-01	6339.00
1925-03-01	7000.00
1925-04-01	6851.00
1925-05-01	6846.00
1925-06-01	6942.00
1925-07-01	7544.00
1925-08-01	7618.00
1925-09-01	7254.00
1925-10-01	6612.00
1925-11-01	6266.00
1925-12-01	6999.00
1926-01-01	6809.00
1926-02-01	6825.00
1926-03-01	7030.00
1926-04-01	6554.00
1926-05-01	6149.00
1926-06-01	6170.00
1926-07-01	5729.00
1926-08-01	7424.00
1926-09-01	7590.00
1926-10-01	6208.00
1926-11-01	4852.00
1926-12-01	5277.00
1927-01-01	5337.00
1927-02-01	4962.00
1927-03-01	7184.00
1927-04-01	7373.00
1927-05-01	6737.00
1927-06-01	6306.00
1927-07-01	5285.00
1927-08-01	6480.00
1927-09-01	5651.00
1927-10-01	5065.00
1927-11-01	4775.00
1927-12-01	4969.00
1928-01-01	5448.00
1928-02-01	6901.00
1928-03-01	7237.00
1928-04-01	6666.00
1928-05-01	7176.00
1928-06-01	6962.00
1928-07-01	6678.00
1928-08-01	8351.00
1928-09-01	7103.00
1928-10-01	6929.00
1928-11-01	5597.00
1928-12-01	5184.00
1929-01-01	6110.00
1929-02-01	6346.00
1929-03-01	7000.00
1929-04-01	7157.00
1929-05-01	7181.00
1929-06-01	6542.00
1929-07-01	5793.00
1929-08-01	5481.00
1929-09-01	5190.00
1929-10-01	5000.00
1929-11-01	3544.00
1929-12-01	3484.00
1930-01-01	4607.00
1930-02-01	4634.00
1930-03-01	4941.00
1930-04-01	5510.00
1930-05-01	5535.00
1930-06-01	4950.00
1930-07-01	3939.00
1930-08-01	4796.00
1930-09-01	3817.00
1930-10-01	3951.00
1930-11-01	2680.00
1930-12-01	3060.00
1931-01-01	3623.00
1931-02-01	3916.00
1931-03-01	4450.00
1931-04-01	4617.00
1931-05-01	5412.00
1931-06-01	5358.00
1931-07-01	4955.00
1931-08-01	4435.00
1931-09-01	3449.00
1931-10-01	3077.00
1931-11-01	2444.00
1931-12-01	2597.00
1932-01-01	3398.00
1932-02-01	3821.00
1932-03-01	3502.00
1932-04-01	3225.00
1932-05-01	3409.00
1932-06-01	5279.00
1932-07-01	2937.00
1932-08-01	2748.00
1932-09-01	2601.00
1932-10-01	2186.00
1932-11-01	2005.00
1932-12-01	1779.00
1933-01-01	2093.00
1933-02-01	2224.00
1933-03-01	1883.00
1933-04-01	2853.00
1933-05-01	4700.00
1933-06-01	5448.00
1933-07-01	5603.00
1933-08-01	4916.00
1933-09-01	3837.00
1933-10-01	3506.00
1933-11-01	2863.00
1933-12-01	2631.00
1934-01-01	3551.00
1934-02-01	4078.00
1934-03-01	5194.00
1934-04-01	4735.00
1934-05-01	4359.00
1934-06-01	4097.00
1934-07-01	3531.00
1934-08-01	3680.00
1934-09-01	3110.00
1934-10-01	3219.00
1934-11-01	3169.00
1934-12-01	3503.00
1935-01-01	4259.00
1935-02-01	4171.00
1935-03-01	4123.00
1935-04-01	4259.00
1935-05-01	3892.00
1935-06-01	3480.00
1935-07-01	3251.00
1935-08-01	3894.00
1935-09-01	4125.00
1935-10-01	4435.00
1935-11-01	3942.00
1935-12-01	4048.00
1936-01-01	4575.00
1936-02-01	3543.00
1936-03-01	3773.00
1936-04-01	4806.00
1936-05-01	4801.00
1936-06-01	5016.00
1936-07-01	5158.00
1936-08-01	5020.00
1936-09-01	5142.00
1936-10-01	5377.00
1936-11-01	4722.00
1936-12-01	5102.00
1937-01-01	4837.00
1937-02-01	5128.00
1937-03-01	5866.00
1937-04-01	5669.00
1937-05-01	4993.00
1937-06-01	4751.00
1937-07-01	4049.00
1937-08-01	3914.00
1937-09-01	4074.00
1937-10-01	3800.00
1937-11-01	2891.00
1937-12-01	2400.00
1938-01-01	2516.00
1938-02-01	2216.00
1938-03-01	2582.00
1938-04-01	2258.00
1938-05-01	2325.00
1938-06-01	2797.00
1938-07-01	2936.00
1938-08-01	4026.00
1938-09-01	3832.00
1938-10-01	3980.00
1938-11-01	4029.00
1938-12-01	4351.00
1939-01-01	4097.00
1939-02-01	3795.00
1939-03-01	4492.00
1939-04-01	3852.00
1939-05-01	3746.00
1939-06-01	4249.00
1939-07-01	3905.00
1939-08-01	4757.00
1939-09-01	4457.00
1939-10-01	5008.00
1939-11-01	4508.00
1939-12-01	3784.00
1940-01-01	4199.00
1940-02-01	4207.00
1940-03-01	4395.00
1940-04-01	4615.00
1940-05-01	4737.00
1940-06-01	4351.00
1940-07-01	4020.00
1940-08-01	4306.00
1940-09-01	4099.00
1940-10-01	4548.00
1940-11-01	4104.00
1940-12-01	4656.00
1941-01-01	5113.00
1941-02-01	4887.00
1941-03-01	5349.00
1941-04-01	5481.00
1941-05-01	5839.00
1941-06-01	6264.00
1941-07-01	5278.00
1941-08-01	4436.00
1941-09-01	4143.00
1941-10-01	4157.00
1941-11-01	3743.00
1941-12-01	2743.00
1942-01-01	1338.00
1942-02-01	1053.00
1942-03-01	1126.00
1942-04-01	1161.00
1942-05-01	1024.00
1942-06-01	1104.00
1942-07-01	1098.00
1942-08-01	1073.00
1942-09-01	1069.00
1942-10-01	888.000
1942-11-01	814.000
1942-12-01	936.000
1943-01-01	1107.00
1943-02-01	859.000
1943-03-01	916.000
1943-04-01	947.000
1943-05-01	1033.00
1943-06-01	1249.00
1943-07-01	1261.00
1943-08-01	1356.00
1943-09-01	1607.00
1943-10-01	1515.00
1943-11-01	1596.00
1943-12-01	1569.00
1944-01-01	1798.00
1944-02-01	1830.00
1944-03-01	2029.00
1944-04-01	1886.00
1944-05-01	1994.00
1944-06-01	2049.00
1944-07-01	2191.00
1944-08-01	2543.00
1944-09-01	2559.00
1944-10-01	2803.00
1944-11-01	2817.00
1944-12-01	2989.00
1945-01-01	3480.00
1945-02-01	3449.00
1945-03-01	3525.00
1945-04-01	3045.00
1945-05-01	3088.00
1945-06-01	3175.00
1945-07-01	3138.00
1945-08-01	3293.00
1945-09-01	3152.00
1945-10-01	4220.00
1945-11-01	4222.00
1945-12-01	3955.00
1946-01-01	4668.00
1946-02-01	4841.00
1946-03-01	5846.00
1946-04-01	6143.00
1946-05-01	6556.00
1946-06-01	5917.00
1946-07-01	5826.00
1946-08-01	7034.00
1946-09-01	7148.00
1946-10-01	8187.00
1946-11-01	7680.00
1946-12-01	7402.00
1947-01-01	8430.00
1947-02-01	7674.00
1947-03-01	7932.00
1947-04-01	7105.00
1947-05-01	5671.00
1947-06-01	5408.00
1947-07-01	4610.00
1947-08-01	5177.00
1947-09-01	6546.00
1947-10-01	7626.00
1947-11-01	6457.00
1947-12-01	6545.00
1948-01-01	6218.00
1948-02-01	4976.00
1948-03-01	5530.00
1948-04-01	5573.00
1948-05-01	5694.00
1948-06-01	6708.00
1948-07-01	5729.00
1948-08-01	6618.00
1948-09-01	6171.00
1948-10-01	6321.00
1948-11-01	5462.00
1948-12-01	5032.00
1949-01-01	5013.00
1949-02-01	4874.00
1949-03-01	5889.00
1949-04-01	5977.00
1949-05-01	6005.00
1949-06-01	6343.00
1949-07-01	5230.00
1949-08-01	5165.00
1949-09-01	4891.00
1949-10-01	5261.00
1949-11-01	5141.00
1949-12-01	5325.00
1950-01-01	5626.00
1950-02-01	5800.00
1950-03-01	6219.00
1950-04-01	6220.00
1950-05-01	7015.00
1950-06-01	7458.00
1950-07-01	6936.00
1950-08-01	7263.00
1950-09-01	7093.00
1950-10-01	7886.00
1950-11-01	6629.00
1950-12-01	6035.00
1951-01-01	5872.00
1951-02-01	5076.00
1951-03-01	5750.00
1951-04-01	5586.00
1951-05-01	5645.00
1951-06-01	5392.00
1951-07-01	5179.00
1951-08-01	6141.00
1951-09-01	5695.00
1951-10-01	6270.00
1951-11-01	5500.00
1951-12-01	5143.00
1952-01-01	5581.00
1952-02-01	5138.00
1952-03-01	5497.00
1952-04-01	5503.00
1952-05-01	5793.00
1952-06-01	5555.00
1952-07-01	4782.00
1952-08-01	4860.00
1952-09-01	5389.00
1952-10-01	6217.00
1952-11-01	5115.00
1952-12-01	5642.00
1953-01-01	6189.00
1953-02-01	6490.00
1953-03-01	7543.00
1953-04-01	7519.00
1953-05-01	6917.00
1953-06-01	7011.00
1953-07-01	6391.00
1953-08-01	5675.00
1953-09-01	5652.00
1953-10-01	5758.00
1953-11-01	4742.00
1953-12-01	4537.00
1954-01-01	5369.00
1954-02-01	5865.00
1954-03-01	6364.00
1954-04-01	6262.00
1954-05-01	5905.00
1954-06-01	5735.00
1954-07-01	4131.00
1954-08-01	3772.00
1954-09-01	4489.00
1954-10-01	3946.00
1954-11-01	3242.00
1954-12-01	3200.00
1955-01-01	3089.00
1955-02-01	2850.00
1955-03-01	3234.00
1955-04-01	2836.00
1955-05-01	3005.00
1955-06-01	3136.00
1955-07-01	2768.00
1955-08-01	2923.00
1955-09-01	3169.00
1955-10-01	3119.00
1955-11-01	3052.00
1955-12-01	2719.00
1956-01-01	2917.00
1956-02-01	2969.00
1956-03-01	3347.00
1956-04-01	3094.00
1956-05-01	3093.00
1956-06-01	2837.00
1956-07-01	2300.00
1956-08-01	2795.00
1956-09-01	2773.00
1956-10-01	3025.00
1956-11-01	2585.00
1956-12-01	2670.00
1957-01-01	3363.00
1957-02-01	3360.00
1957-03-01	3820.00
1957-04-01	3425.00
1957-05-01	3546.00
1957-06-01	3014.00
1957-07-01	2936.00
1957-08-01	3129.00
1957-09-01	3359.00
1957-10-01	3746.00
1957-11-01	3227.00
1957-12-01	2765.00
1958-01-01	3344.00
1958-02-01	3444.00
1958-03-01	3685.00
1958-04-01	3624.00
1958-05-01	3530.00
1958-06-01	3476.00
1958-07-01	2890.00
1958-08-01	3305.00
1958-09-01	3390.00
1958-10-01	3768.00
1958-11-01	3319.00
1958-12-01	3491.00
1959-01-01	3806.00
1959-02-01	4094.00
1959-03-01	4459.00
1959-04-01	3380.00
1959-05-01	2752.00
1959-06-01	3683.00
1959-07-01	4344.00
1959-08-01	3715.00
1959-09-01	4064.00
1959-10-01	4392.00
1959-11-01	3756.00
1959-12-01	3612.00
1960-01-01	3899.00
1960-02-01	4043.00
1960-03-01	4241.00
1960-04-01	3628.00
1960-05-01	3600.00
1960-06-01	3426.00
1960-07-01	3261.00
1960-08-01	2958.00
1960-09-01	3024.00
1960-10-01	3067.00
1960-11-01	2921.00
1960-12-01	2913.00
1961-01-01	3208.00
1961-02-01	3140.00
1961-03-01	3359.00
1961-04-01	2939.00
1961-05-01	3190.00
1961-06-01	2838.00
1961-07-01	2733.00
1961-08-01	3211.00
1961-09-01	3081.00
1961-10-01	3560.00
1961-11-01	3232.00
1961-12-01	3002.00
1962-01-01	3691.00
1962-02-01	3605.00
1962-03-01	4009.00
1962-04-01	3413.00
1962-05-01	3427.00
1962-06-01	3277.00
1962-07-01	3116.00
1962-08-01	3026.00
1962-09-01	3108.00
1962-10-01	3881.00
1962-11-01	3141.00
1962-12-01	3141.00
1963-01-01	3954.00
1963-02-01	3595.00
1963-03-01	3657.00
1963-04-01	3529.00
1963-05-01	3694.00
1963-06-01	3183.00
1963-07-01	3021.00
1963-08-01	2792.00
1963-09-01	2860.00
1963-10-01	3408.00
1963-11-01	2827.00
1963-12-01	3138.00
1964-01-01	3914.00
1964-02-01	3673.00
1964-03-01	3837.00
1964-04-01	3956.00
1964-05-01	3591.00
1964-06-01	3699.00
1964-07-01	3010.00
1964-08-01	3364.00
1964-09-01	3439.00
1964-10-01	3607.00
1964-11-01	3070.00