1949 1 14.1200 1949 2 13.1600 1949 3 12.9600 1949 4 12.9200 1949 5 12.7000 1949 6 11.7200 1949 7 12.0100 1949 8 12.5300 1949 9 12.6300 1949 10 12.9300 1949 11 12.8400 1949 12 13.4000 1950 1 14.3100 1950 2 14.3400 1950 3 14.4200 1950 4 14.5400 1950 5 14.6000 1950 6 14.2400 1950 7 14.7400 1950 8 16.0600 1950 9 16.7000 1950 10 17.0600 1950 11 16.9600 1950 12 18.3300 1951 1 20.3800 1951 2 21.3600 1951 3 19.9900 1951 4 19.9200 1951 5 19.6600 1951 6 18.8500 1951 7 18.7100 1951 8 19.5600 1951 9 20.4300 1951 10 20.5700 1951 11 19.3300 1951 12 20.1600 1952 1 20.9300 1952 2 20.7800 1952 3 21.6800 1952 4 22.0500 1952 5 22.1400 1952 6 23.0800 1952 7 23.3000 1952 8 23.3600 1952 9 22.7100 1952 10 22.3000 1952 11 22.9600 1952 12 24.5900 1953 1 24.6700 1953 2 24.1400 1953 3 24.4900 1953 4 22.8900 1953 5 23.1800 1953 6 22.5600 1953 7 23.1200 1953 8 22.5900 1953 9 20.6400 1953 10 20.9000 1953 11 21.1800 1953 12 20.8800 1954 1 21.1900 1954 2 22.1200 1954 3 22.0200 1954 4 21.8200 1954 5 23.0500 1954 6 23.4300 1954 7 24.4300 1954 8 24.7600 1954 9 24.4000 1954 10 24.7600 1954 11 26.3500 1954 12 29.1300 1955 1 29.7400 1955 2 30.8900 1955 3 31.6600 1955 4 33.4600 1955 5 33.4800 1955 6 34.4500 1955 7 34.0800 1955 8 33.2200 1955 9 34.1100 1955 10 31.9300 1955 11 33.8300 1955 12 34.4300 1956 1 33.1100 1956 2 33.2100 1956 3 35.2400 1956 4 36.1200 1956 5 35.8300 1956 6 34.2200 1956 7 34.6300 1956 8 33.7200 1956 9 31.9800 1956 10 32.2200 1956 11 31.7300 1956 12 31.7500 1957 1 31.3600 1957 2 29.5900 1957 3 29.3700 1957 4 29.7800 1957 5 30.4200 1957 6 30.1100 1957 7 31.2000 1957 8 29.5200 1957 9 27.1700 1957 10 24.7800 1957 11 22.6300 1957 12 21.3900 1958 1 22.6900 1958 2 23.0000 1958 3 22.6000 1958 4 23.2000 1958 5 24.7400 1958 6 25.5400 1958 7 26.8600 1958 8 28.4300 1958 9 29.5100 1958 10 31.2300 1958 11 33.0700 1958 12 33.7000 1959 1 35.5300 1959 2 35.2000 1959 3 35.4700 1959 4 35.9400 1959 5 36.0700 1959 6 36.0200 1959 7 36.8600 1959 8 35.5600 1959 9 33.7800 1959 10 34.3200 1959 11 32.8000 1959 12 33.5700 1960 1 33.6800 1960 2 32.5400 1960 3 31.0100 1960 4 30.5900 1960 5 30.1800 1960 6 30.8100 1960 7 30.1900 1960 8 30.1900 1960 9 28.7600 1960 10 27.7700 1960 11 28.9300 1960 12 29.0300 1961 1 31.4300 1961 2 32.1700 1961 3 32.9300 1961 4 32.3500 1961 5 33.0800 1961 6 32.4100 1961 7 31.7400 1961 8 32.7600 1961 9 33.0200 1961 10 34.5300 1961 11 34.3000 1961 12 33.2100 1962 1 33.7700 1962 2 34.2300 1962 3 33.4500 1962 4 32.3100 1962 5 30.7100 1962 6 28.0500 1962 7 28.2900 1962 8 28.0900 1962 9 27.6800 1962 10 27.4000 1962 11 30.4700 1962 12 32.2400 1963 1 34.0600 1963 2 34.5900 1963 3 34.6000 1963 4 36.2500 1963 5 38.3700 1963 6 39.3400 1963 7 38.7500 1963 8 39.2200 1963 9 39.0000 1963 10 38.3100 1963 11 38.6000 1963 12 39.9200 1964 1 41.0000 1964 2 41.5400 1964 3 42.8800 1964 4 43.2700 1964 5 44.8600 1964 6 46.2900 1964 7 48.9300 1964 8 47.1700 1964 9 47.1400 1964 10 48.6900 1964 11 48.0100 1964 12 45.7500