Quarterly Percentage
1947-01-01 39.6000
1947-04-01 39.0000
1947-07-01 38.5000
1947-10-01 37.1000
1948-01-01 37.8000
1948-04-01 37.3000
1948-07-01 37.1000
1948-10-01 35.8000
1949-01-01 36.6000
1949-04-01 37.0000
1949-07-01 37.6000
1949-10-01 37.2000
1950-01-01 37.6000
1950-04-01 37.8000
1950-07-01 37.5000
1950-10-01 35.5000
1951-01-01 35.2000
1951-04-01 34.9000
1951-07-01 34.4000
1951-10-01 33.0000
1952-01-01 33.4000
1952-04-01 33.8000
1952-07-01 33.4000
1952-10-01 32.9000
1953-01-01 33.3000
1953-04-01 33.3000
1953-07-01 33.1000
1953-10-01 32.6000
1954-01-01 33.3000
1954-04-01 34.0000
1954-07-01 33.8000
1954-10-01 33.0000
1955-01-01 33.7000
1955-04-01 34.3000
1955-07-01 34.0000
1955-10-01 33.2000
1956-01-01 33.7000
1956-04-01 33.7000
1956-07-01 32.9000
1956-10-01 32.1000
1957-01-01 32.2000
1957-04-01 32.2000
1957-07-01 31.9000
1957-10-01 31.7000
1958-01-01 31.9000
1958-04-01 32.1000
1958-07-01 32.4000
1958-10-01 32.7000
1959-01-01 32.7000
1959-04-01 32.6000
1959-07-01 32.6000
1959-10-01 32.2000
1960-01-01 32.1000
1960-04-01 31.9000
1960-07-01 31.8000
1960-10-01 31.5000
1961-01-01 31.6000
1961-04-01 31.8000
1961-07-01 31.7000
1961-10-01 31.4000
1962-01-01 31.4000
1962-04-01 31.3000
1962-07-01 31.2000
1962-10-01 31.5000
1963-01-01 31.6000
1963-04-01 31.7000
1963-07-01 31.9000
1963-10-01 31.9000
1964-01-01 32.1000
1964-04-01 31.7000
1964-07-01 31.5000
1964-10-01 31.0000
1965-01-01 30.9000
1965-04-01 30.6000
1965-07-01 30.5000
1965-10-01 29.6000
1966-01-01 29.5000
1966-04-01 29.5000
1966-07-01 29.1000
1966-10-01 28.3000
1967-01-01 28.2000
1967-04-01 28.3000
1967-07-01 28.3000
1967-10-01 28.1000
1968-01-01 28.1000
1968-04-01 27.9000
1968-07-01 27.7000
1968-10-01 27.3000
1969-01-01 27.0000