Quarter	Per Cent Expanding
1923-04-01	62.0000
1923-07-01	36.0000
1923-10-01	26.0000
1924-01-01	72.0000
1924-04-01	43.0000
1924-07-01	45.0000
1924-10-01	53.0000
1925-01-01	73.0000
1925-04-01	59.0000
1925-07-01	45.0000
1925-10-01	53.0000
1926-01-01	56.0000
1926-04-01	58.0000
1926-07-01	54.0000
1926-10-01	46.0000
1927-01-01	50.0000
1927-04-01	55.0000
1927-07-01	46.0000
1927-10-01	39.0000
1928-01-01	56.0000
1928-04-01	71.0000
1928-07-01	57.0000
1928-10-01	56.0000
1929-01-01	47.0000
1929-04-01	69.0000
1929-07-01	55.0000
1929-10-01	37.0000
1930-01-01	37.0000
1930-04-01	49.0000
1930-07-01	36.0000
1930-10-01	30.0000
1931-01-01	49.0000
1931-04-01	54.0000
1931-07-01	29.0000
1931-10-01	25.0000
1932-01-01	54.0000
1932-04-01	46.0000
1932-07-01	37.0000
1932-10-01	30.0000
1933-01-01	53.0000
1933-04-01	79.0000
1933-07-01	72.0000
1933-10-01	38.0000
1934-01-01	52.0000
1934-04-01	60.0000
1934-07-01	35.0000
1934-10-01	44.0000
1935-01-01	66.0000
1935-04-01	59.0000
1935-07-01	55.0000
1935-10-01	66.0000
1936-01-01	39.0000
1936-04-01	72.0000
1936-07-01	66.0000
1936-10-01	61.0000
1937-01-01	48.0000
1937-04-01	60.0000
1937-07-01	38.0000
1937-10-01	30.0000
1938-01-01	34.0000
1938-04-01	46.0000
1938-07-01	66.0000
1938-10-01	67.0000
1939-01-01	42.0000
1939-04-01	59.0000
1939-07-01	63.0000
1939-10-01	76.0000
1940-01-01	30.0000
1940-04-01	46.0000
1940-07-01	43.0000
1940-10-01	72.0000
1941-01-01	44.0000
1941-04-01	54.0000
1941-07-01	56.0000
1941-10-01	55.0000
1942-01-01	30.0000
1942-04-01	35.0000
1942-07-01	75.0000
1942-10-01	64.0000
1943-01-01	35.0000
1943-04-01	58.0000
1943-07-01	48.0000
1943-10-01	60.0000
1944-01-01	40.0000
1944-04-01	58.0000
1944-07-01	50.0000
1944-10-01	61.0000
1945-01-01	42.0000
1945-04-01	56.0000
1945-07-01	34.0000
1945-10-01	62.0000
1946-01-01	51.0000
1946-04-01	74.0000
1946-07-01	62.0000
1946-10-01	70.0000
1947-01-01	51.0000
1947-04-01	53.0000
1947-07-01	41.0000
1947-10-01	68.0000
1948-01-01	44.0000
1948-04-01	61.0000
1948-07-01	52.0000
1948-10-01	65.0000
1949-01-01	23.0000
1949-04-01	35.0000