Month	Thousands Of Short Tons
1923-12-01	104.200
1924-01-01	100.500
1924-02-01	101.200
1924-03-01	103.400
1924-04-01	110.500
1924-05-01	109.900
1924-06-01	108.800
1924-07-01	105.500
1924-08-01	103.500
1924-09-01	98.3000
1924-10-01	97.5000
1924-11-01	98.4000
1924-12-01	87.2000
1925-01-01	100.900
1925-02-01	105.800
1925-03-01	104.800
1925-04-01	101.000
1925-05-01	97.5000
1925-06-01	96.7000
1925-07-01	95.7000
1925-08-01	91.6000
1925-09-01	96.9000
1925-10-01	105.000
1925-11-01	106.900
1925-12-01	105.600
1926-01-01	104.700
1926-02-01	105.400
1926-03-01	112.600
1926-04-01	117.600
1926-05-01	120.800
1926-06-01	123.100
1926-07-01	118.700
1926-08-01	111.400
1926-09-01	113.100
1926-10-01	118.300
1926-11-01	120.100
1926-12-01	127.000
1927-01-01	134.700
1927-02-01	139.800
1927-03-01	145.800
1927-04-01	160.400
1927-05-01	175.200
1927-06-01	170.300
1927-07-01	165.600
1927-08-01	162.900
1927-09-01	160.100
1927-10-01	155.900
1927-11-01	155.600
1927-12-01	156.300
1928-01-01	157.400
1928-02-01	167.700
1928-03-01	173.400
1928-04-01	161.200
1928-05-01	159.400
1928-06-01	163.700
1928-07-01	158.900
1928-08-01	157.000
1928-09-01	155.500
1928-10-01	152.700
1928-11-01	156.900
1928-12-01	161.500
1929-01-01	156.200
1929-02-01	160.600
1929-03-01	158.100
1929-04-01	156.900
1929-05-01	162.300
1929-06-01	173.600
1929-07-01	173.500
1929-08-01	175.600
1929-09-01	168.700
1929-10-01	167.200
1929-11-01	161.700
1929-12-01	151.600
1930-01-01	149.400
1930-02-01	140.800
1930-03-01	144.400