Quarter	Million Current Pounds
1923-01-01	11.7100
1923-04-01	12.8000
1923-07-01	11.9700
1923-10-01	14.2300
1924-01-01	15.8100
1924-04-01	15.0600
1924-07-01	13.5900
1924-10-01	13.7200
1925-01-01	15.9600
1925-04-01	17.9200
1925-07-01	15.9700
1925-10-01	16.5900
1926-01-01	20.0500
1926-04-01	16.9500
1926-07-01	15.8700
1926-10-01	14.7600
1927-01-01	16.6400
1927-04-01	17.1500
1927-07-01	14.7200
1927-10-01	15.7700
1928-01-01	15.9400
1928-04-01	17.1700
1928-07-01	17.0900
1928-10-01	17.2200
1929-01-01	15.7100
1929-04-01	22.1200
1929-07-01	16.3600
1929-10-01	18.9000
1930-01-01	18.8200
1930-04-01	20.1600
1930-07-01	17.2000
1930-10-01	18.4300
1931-01-01	16.3000
1931-04-01	16.8600
1931-07-01	16.2900
1931-10-01	13.5600
1932-01-01	14.4800
1932-04-01	18.0700
1932-07-01	14.2600
1932-10-01	19.4400
1933-01-01	19.6200
1933-04-01	21.8700
1933-07-01	20.8100
1933-10-01	21.3900
1934-01-01	23.5000
1934-04-01	26.2500
1934-07-01	22.0000
1934-10-01	23.8200
1935-01-01	27.6300
1935-04-01	29.6100
1935-07-01	27.5900
1935-10-01	29.4700
1936-01-01	28.7300
1936-04-01	32.8100
1936-07-01	27.8100
1936-10-01	27.6900
1937-01-01	29.0700
1937-04-01	29.6900
1937-07-01	25.0500
1937-10-01	27.1100
1938-01-01	25.3900
1938-04-01	26.4300
1938-07-01	23.1000
1938-10-01	22.6900
1939-01-01	24.1600
1939-04-01	23.1000