Quarter	Million Pounds
1919-04-01	115.000
1919-07-01	131.200
1919-10-01	110.700
1920-01-01	130.800
1920-04-01	124.800
1920-07-01	113.000
1920-10-01	93.9000
1921-01-01	100.000
1921-04-01	158.100
1921-07-01	121.900
1921-10-01	83.3000
1922-01-01	93.2000
1922-04-01	128.500
1922-07-01	130.800
1922-10-01	146.100
1923-01-01	165.100
1923-04-01	168.400
1923-07-01	144.400
1923-10-01	159.800
1924-01-01	187.400
1924-04-01	189.800
1924-07-01	157.200
1924-10-01	161.800
1925-01-01	184.300
1925-04-01	195.400
1925-07-01	186.700
1925-10-01	148.600
1926-01-01	160.000
1926-04-01	205.700
1926-07-01	196.600
1926-10-01	139.500
1927-01-01	169.600
1927-04-01	221.100
1927-07-01	204.600
1927-10-01	161.700
1928-01-01	175.700
1928-04-01	230.300
1928-07-01	211.900
1928-10-01	169.500
1929-01-01	178.500
1929-04-01	245.400
1929-07-01	212.300
1929-10-01	144.500
1930-01-01	132.100
1930-04-01	176.900
1930-07-01	133.100
1930-10-01	101.800
1931-01-01	118.600
1931-04-01	165.600
1931-07-01	111.900
1931-10-01	83.5000
1932-01-01	87.8000
1932-04-01	116.800
1932-07-01	88.0000
1932-10-01	66.7000
1933-01-01	60.9000
1933-04-01	133.000
1933-07-01	100.300
1933-10-01	75.8000
1934-01-01	94.4000
1934-04-01	130.400
1934-07-01	104.000
1934-10-01	86.0000
1935-01-01	100.100
1935-04-01	137.400
1935-07-01	115.300
1935-10-01	116.400
1936-01-01	91.2000
1936-04-01	146.700
1936-07-01	132.900
1936-10-01	114.300
1937-01-01	136.100
1937-04-01	202.100
1937-07-01	150.900
1937-10-01	101.800
1938-01-01	94.0000
1938-04-01	154.700
1938-07-01	131.300
1938-10-01	110.300
1939-01-01	119.600
1939-04-01	156.000
1939-07-01	151.900
1939-10-01	136.300
1940-01-01	119.500
1940-04-01	168.800
1940-07-01	153.200
1940-10-01	153.500
1941-01-01	156.700
1941-04-01	225.700
1941-07-01	226.500
1941-10-01	214.500
1942-01-01	221.300
1942-04-01	251.300
1942-07-01	207.800
1942-10-01	181.100