1947 1 17.5700 1947 2 20.5700 1947 3 20.8400 1947 4 23.4700 1948 1 20.0200 1948 2 22.0000 1948 3 21.6600 1948 4 24.5600 1949 1 18.8400 1949 2 19.9100 1949 3 18.6900 1949 4 19.7100 1950 1 16.7500 1950 2 19.3800 1950 3 21.0000 1950 4 25.2900 1951 1 21.8600 1951 2 26.0100 1951 3 26.0200 1951 4 28.6900 1952 1 24.9200 1952 2 27.2600 1952 3 24.9700 1952 4 28.8200 1953 1 25.3600 1953 2 29.1000 1953 3 28.3400 1953 4 30.5000 1954 1 25.0600 1954 2 27.7300 1954 3 26.5600 1954 4 27.9500 1955 1 23.3900 1955 2 28.0400 1955 3 29.8000 1955 4 33.5900 1956 1 29.8500 1956 2 35.5200 1956 3 35.6000 1956 4 39.3500 1957 1 33.1300 1957 2 38.3600 1957 3 37.4300 1957 4 38.9300 1958 1 29.3000 1958 2 31.0400 1958 3 29.7100 1958 4 32.0500 1959 1 27.6400 1959 2 33.2800 1959 3 33.2800 1959 4 35.9600 1960 1 31.5600 1960 2 37.1200 1960 3 35.9200 1960 4 38.1200 1961 1 30.2800 1961 2 34.4400 1961 3 34.6000 1961 4 38.1600 1962 1 32.0800 1962 2 38.0000 1962 3 38.4800 1962 4 40.7200 1963 1 33.0000 1963 2 38.9600 1963 3 40.5600 1963 4 44.3600 1964 1 37.6000 1964 2 44.4400 1964 3 46.1600 1964 4 51.3600 1965 1 43.1600 1965 2 51.2400 1965 3 53.6400 1965 4 59.8000 1966 1 51.0800 1966 2 61.1600 1966 3 62.2800 1966 4 68.0000 1967 1 54.3600 1967 2 62.4400 1967 3 61.6000 1967 4 68.2000