Quarter	Million Current Pounds
1923-01-01	4.67000
1923-04-01	5.12000
1923-07-01	4.72000
1923-10-01	4.41000
1924-01-01	5.33000
1924-04-01	5.59000
1924-07-01	4.93000
1924-10-01	4.66000
1925-01-01	5.81000
1925-04-01	5.50000
1925-07-01	5.11000
1925-10-01	4.67000
1926-01-01	6.51000
1926-04-01	5.41000
1926-07-01	4.85000
1926-10-01	4.65000
1927-01-01	5.38000
1927-04-01	7.16000
1927-07-01	5.77000
1927-10-01	6.08000
1928-01-01	6.25000
1928-04-01	6.98000
1928-07-01	6.88000
1928-10-01	7.20000
1929-01-01	6.24000
1929-04-01	9.32000
1929-07-01	6.12000
1929-10-01	7.15000
1930-01-01	7.52000
1930-04-01	6.99000
1930-07-01	6.29000
1930-10-01	7.04000
1931-01-01	6.25000
1931-04-01	5.96000
1931-07-01	4.95000
1931-10-01	5.36000
1932-01-01	4.67000
1932-04-01	4.96000
1932-07-01	4.32000
1932-10-01	5.42000
1933-01-01	5.84000
1933-04-01	5.34000
1933-07-01	4.94000
1933-10-01	5.26000
1934-01-01	6.40000
1934-04-01	6.88000
1934-07-01	6.55000
1934-10-01	6.15000
1935-01-01	8.62000
1935-04-01	9.08000
1935-07-01	9.23000
1935-10-01	8.95000
1936-01-01	10.0800
1936-04-01	11.9000
1936-07-01	10.1400
1936-10-01	9.85000
1937-01-01	13.3500
1937-04-01	11.1100
1937-07-01	9.58000
1937-10-01	9.25000
1938-01-01	9.71000
1938-04-01	9.13000
1938-07-01	8.97000
1938-10-01	9.80000
1939-01-01	10.2000
1939-04-01	10.1400