Month	Millions Of Tubes
1921-01-01	7.45000
1921-02-01	7.22000
1921-03-01	6.73000
1921-04-01	6.56000
1921-05-01	6.34000
1921-06-01	5.11000
1921-07-01	4.16000
1921-08-01	4.87000
1921-09-01	5.10000
1921-10-01	6.31000
1921-11-01	6.94000
1921-12-01	6.31000
1922-01-01	7.00000
1922-02-01	8.19000
1922-03-01	9.32000
1922-04-01	9.64000
1922-05-01	9.59000
1922-06-01	8.25000
1922-07-01	7.57000
1922-08-01	6.94000
1922-09-01	6.89000
1922-10-01	7.32000
1922-11-01	8.28000
1922-12-01	7.64000
1923-01-01	7.78000
1923-02-01	9.03000
1923-03-01	10.3200
1923-04-01	11.1900
1923-05-01	12.3900
1923-06-01	11.9000
1923-07-01	9.86000
1923-08-01	9.27000
1923-09-01	8.61000
1923-10-01	9.20000
1923-11-01	8.92000
1923-12-01	8.42000
1924-01-01	8.96000
1924-02-01	9.79000
1924-03-01	10.8800
1924-04-01	11.5000
1924-05-01	11.6800
1924-06-01	10.8900
1924-07-01	8.84000
1924-08-01	7.68000
1924-09-01	8.05000
1924-10-01	9.80000
1924-11-01	10.2200
1924-12-01	11.0500
1925-01-01	11.5700
1925-02-01	13.0200
1925-03-01	14.2400
1925-04-01	13.6200
1925-05-01	12.5000
1925-06-01	10.4100
1925-07-01	8.64000
1925-08-01	9.27000
1925-09-01	9.95000
1925-10-01	8.73000
1925-11-01	9.58000
1925-12-01	11.3100
1926-01-01	14.3600
1926-02-01	17.0900
1926-03-01	19.1300
1926-04-01	20.6700
1926-05-01	21.1400
1926-06-01	20.2400
1926-07-01	17.2600
1926-08-01	15.6000
1926-09-01	15.3100
1926-10-01	15.9300
1926-11-01	16.6000
1926-12-01	16.2000
1927-01-01	15.5800
1927-02-01	16.7700
1927-03-01	17.1000
1927-04-01	17.8000
1927-05-01	18.3900
1927-06-01	17.8600
1927-07-01	16.0000
1927-08-01	14.6600
1927-09-01	13.5100
1927-10-01	13.5400
1927-11-01	13.5800
1927-12-01	13.6900
1928-01-01	13.0100
1928-02-01	14.6900
1928-03-01	15.8400
1928-04-01	16.6700
1928-05-01	17.7300
1928-06-01	17.1900
1928-07-01	15.0000
1928-08-01	13.9600
1928-09-01	13.5400
1928-10-01	15.2800
1928-11-01	15.7600
1928-12-01	16.1200
1929-01-01	14.4200
1929-02-01	15.9400
1929-03-01	16.6400
1929-04-01	17.0000
1929-05-01	17.7400
1929-06-01	17.3000
1929-07-01	15.3100
1929-08-01	13.2700
1929-09-01	12.5900
1929-10-01	12.8000
1929-11-01	12.8400
1929-12-01	12.8100
1930-01-01	12.7000
1930-02-01	13.0400
1930-03-01	13.1800
1930-04-01	13.7800
1930-05-01	13.8500
1930-06-01	13.6100
1930-07-01	11.6600
1930-08-01	10.7400
1930-09-01	10.0700
1930-10-01	10.5200
1930-11-01	10.3100
1930-12-01	10.0000
1931-01-01	9.44000
1931-02-01	9.92000
1931-03-01	10.4700
1931-04-01	10.4100
1931-05-01	10.5500
1931-06-01	10.5000
1931-07-01	9.59000
1931-08-01	8.77000
1931-09-01	8.10000
1931-10-01	8.32000
1931-11-01	8.12000
1931-12-01	7.92000
1932-01-01	7.72000
1932-02-01	8.76000
1932-03-01	9.45000
1932-04-01	9.44000
1932-05-01	8.91000
1932-06-01	5.17000
1932-07-01	5.97000
1932-08-01	6.13000
1932-09-01	5.75000
1932-10-01	6.21000
1932-11-01	6.66000
1932-12-01	6.75000
1933-01-01	6.20000
1933-02-01	6.36000
1933-03-01	6.37000
1933-04-01	6.19000
1933-05-01	6.38000
1933-06-01	6.10000
1933-07-01	6.44000
1933-08-01	6.63000
1933-09-01	7.01000
1933-10-01	7.83000
1933-11-01	8.63000
1933-12-01	7.81000
1934-01-01	8.40000
1934-02-01	9.17000
1934-03-01	10.2400
1934-04-01	10.5800
1934-05-01	10.0400
1934-06-01	8.80000
1934-07-01	8.05000
1934-08-01	7.56000
1934-09-01	7.64000
1934-10-01	8.15000
1934-11-01	8.50000
1934-12-01	9.18000
1935-01-01	9.40000
1935-02-01	10.5000
1935-03-01	10.6900
1935-04-01	10.1300
1935-05-01	10.2900
1935-06-01	10.0000
1935-07-01	8.20000
1935-08-01	7.54000
1935-09-01	8.05000
1935-10-01	8.09000
1935-11-01	8.21000
1935-12-01	8.23000
1936-01-01	8.59000
1936-02-01	8.67000
1936-03-01	8.66000
1936-04-01	8.76000
1936-05-01	8.69000
1936-06-01	8.07000
1936-07-01	7.70000
1936-08-01	7.59000
1936-09-01	8.59000
1936-10-01	9.94000
1936-11-01	10.6900
1936-12-01	10.9400
1937-01-01	11.1800
1937-02-01	11.8200
1937-03-01	11.9900
1937-04-01	12.3100
1937-05-01	12.2000
1937-06-01	11.8300
1937-07-01	10.9500
1937-08-01	10.2200
1937-09-01	11.3300
1937-10-01	11.1900
1937-11-01	10.6100
1937-12-01	10.3100
1938-01-01	10.5800
1938-02-01	10.5800
1938-03-01	10.5500
1938-04-01	9.92000
1938-05-01	9.27000
1938-06-01	8.34000
1938-07-01	7.72000
1938-08-01	8.03000
1938-09-01	7.86000
1938-10-01	7.75000
1938-11-01	7.66000
1938-12-01	8.17000
1939-01-01	7.93000
1939-02-01	8.30000
1939-03-01	8.75000
1939-04-01	8.65000
1939-05-01	8.37000
1939-06-01	7.55000
1939-07-01	7.32000
1939-08-01	7.80000
1939-09-01	7.21000
1939-10-01	7.28000
1939-11-01	7.71000
1939-12-01	7.04000
1940-01-01	7.42000
1940-02-01	7.83000
1940-03-01	8.11000
1940-04-01	8.19000
1940-05-01	8.21000
1940-06-01	6.85000
1940-07-01	7.10000
1940-08-01	7.79000
1940-09-01	7.97000
1940-10-01	7.65000
1940-11-01	7.06000
1940-12-01	7.02000
1941-01-01	7.63000
1941-02-01	7.92000
1941-03-01	8.07000
1941-04-01	8.14000
1941-05-01	7.69000
1941-06-01	7.01000
1941-07-01	6.36000
1941-08-01	6.07000
1941-09-01	5.43000
1941-10-01	4.45000
1941-11-01	4.38000
1941-12-01	4.69000
1942-01-01	4.74000
1942-02-01	4.71000
1942-03-01	5.06000
1942-04-01	5.96000
1942-05-01	6.55000
1942-06-01	6.92000
1942-07-01	6.87000
1942-08-01	6.79000
1942-09-01	6.65000
1942-10-01	6.15000
1942-11-01	5.91000
1942-12-01	6.21000
1943-01-01	5.70000
1943-02-01	5.07000
1943-03-01	4.09000
1943-04-01	3.66000
1943-05-01	3.33000
1943-06-01	2.97000
1943-07-01	2.85000
1943-08-01	2.64000
1943-09-01	2.61000
1943-10-01	2.47000
1943-11-01	2.58000
1943-12-01	2.63000
1944-01-01	2.82000
1944-02-01	3.08000
1944-03-01	3.28000
1944-04-01	3.37000
1944-05-01	3.25000
1944-06-01	2.66000
1944-07-01	2.05000
1944-08-01	2.01000
1944-09-01	2.11000
1944-10-01	2.33000
1944-11-01	2.52000
1944-12-01	2.81000
1945-01-01	2.99000
1945-02-01	3.24000
1945-03-01	3.21000
1945-04-01	2.66000
1945-05-01	2.40000
1945-06-01	2.70000
1945-07-01	2.54000
1945-08-01	2.74000
1945-09-01	2.73000
1945-10-01	3.02000
1945-11-01	3.25000
1945-12-01	3.63000
1946-01-01	3.95000
1946-02-01	4.30000
1946-03-01	4.44000
1946-04-01	4.26000
1946-05-01	4.37000
1946-06-01	4.40000
1946-07-01	3.91000
1946-08-01	3.93000
1946-09-01	4.43000
1946-10-01	4.11000
1946-11-01	4.48000
1946-12-01	3.82000
1947-01-01	4.95000
1947-02-01	6.49000
1947-03-01	7.92000
1947-04-01	9.46000
1947-05-01	9.74000
1947-06-01	9.39000
1947-07-01	7.88000
1947-08-01	6.84000
1947-09-01	6.39000
1947-10-01	6.43000
1947-11-01	6.69000
1947-12-01	8.06000
1948-01-01	9.07000
1948-02-01	9.66000
1948-03-01	9.92000
1948-04-01	9.74000
1948-05-01	10.0700
1948-06-01	10.0000
1948-07-01	8.76000
1948-08-01	8.53000
1948-09-01	8.75000
1948-10-01	8.92000
1948-11-01	9.30000
1948-12-01	9.64000
1949-01-01	9.81000
1949-02-01	10.4400
1949-03-01	10.9600
1949-04-01	11.7500
1949-05-01	12.4100
1949-06-01	12.3100
1949-07-01	11.3600
1949-08-01	9.86000
1949-09-01	8.87000
1949-10-01	8.61000
1949-11-01	9.65000
1949-12-01	10.6600
1950-01-01	10.9300
1950-02-01	11.0600
1950-03-01	11.4700
1950-04-01	11.7100
1950-05-01	12.1100
1950-06-01	11.9500
1950-07-01	8.42000
1950-08-01	6.62000
1950-09-01	6.20000
1950-10-01	6.40000
1950-11-01	6.96000
1950-12-01	6.73000
1951-01-01	5.69000
1951-02-01	5.17000
1951-03-01	4.63000
1951-04-01	4.67000
1951-05-01	5.09000
1951-06-01	5.31000
1951-07-01	5.68000
1951-08-01	6.27000
1951-09-01	6.83000
1951-10-01	7.47000
1951-11-01	8.38000
1951-12-01	10.0900
1952-01-01	10.3400
1952-02-01	10.5100
1952-03-01	10.8700
1952-04-01	11.0100
1952-05-01	11.4900
1952-06-01	11.0500
1952-07-01	11.2200
1952-08-01	10.6300
1952-09-01	10.3000
1952-10-01	10.3900
1952-11-01	10.9100
1952-12-01	12.0400
1953-01-01	10.2800
1953-02-01	10.4200
1953-03-01	11.7100
1953-04-01	12.1500
1953-05-01	12.5900
1953-06-01	12.9000
1953-07-01	12.1000
1953-08-01	10.2300
1953-09-01	11.8400
1953-10-01	10.9000
1953-11-01	11.6100
1953-12-01	11.8700
1954-01-01	10.1100
1954-02-01	10.4500
1954-03-01	11.2400
1954-04-01	11.2300
1954-05-01	11.1700
1954-06-01	10.3800
1954-07-01	8.43000
1954-08-01	6.59000
1954-09-01	7.30000
1954-10-01	8.31000
1954-11-01	8.71000
1954-12-01	9.52000
1955-01-01	8.25000
1955-02-01	8.24000
1955-03-01	8.22000
1955-04-01	7.96000
1955-05-01	7.74000
1955-06-01	7.33000
1955-07-01	6.66000