1938 1 23.2500 1938 2 23.2500 1938 3 23.2500 1938 4 23.2500 1938 5 23.2500 1938 6 22.9800 1938 7 19.6100 1938 8 19.6100 1938 9 19.8200 1938 10 20.5700 1938 11 20.6100 1938 12 20.6100 1939 1 20.6100 1939 2 20.6100 1939 3 20.6100 1939 4 20.6100 1939 5 20.6100 1939 6 20.6100 1939 7 20.6100 1939 8 20.6100 1939 9 21.6100 1939 10 22.6100 1939 11 22.6100 1939 12 22.6100 1940 1 22.6100 1940 2 22.6100 1940 3 22.6100 1940 4 22.6100 1940 5 22.6100 1940 6 22.6100 1940 7 22.6100 1940 8 22.6100 1940 9 22.6100 1940 10 22.6100 1940 11 22.6100 1940 12 22.9500 1941 1 23.4500 1941 2 23.4500 1941 3 23.5300 1941 4 23.6100 1941 5 23.6100 1941 6 23.6100 1941 7 23.6100 1941 8 23.6100 1941 9 23.6100 1941 10 23.6100 1941 11 23.6100 1941 12 23.6100 1942 1 23.6100 1942 2 23.6100 1942 3 23.6100 1942 4 23.6100 1942 5 23.6100 1942 6 23.6100 1942 7 23.6100 1942 8 23.6100 1942 9 23.6100 1942 10 23.6100 1942 11 23.6100 1942 12 23.6100 1943 1 23.6100 1943 2 23.6100 1943 3 23.6100 1943 4 23.6100 1943 5 23.6100 1943 6 23.6100 1943 7 23.6100 1943 8 23.6100 1943 9 23.6100 1943 10 23.6100 1943 11 23.6100 1943 12 23.6100 1944 1 23.6100 1944 2 23.6100 1944 3 23.6100 1944 4 23.6100 1944 5 23.6100 1944 6 23.6100 1944 7 23.6100 1944 8 23.6100 1944 9 23.6100 1944 10 23.6100 1944 11 23.6100 1944 12 23.6100 1945 1 23.6100 1945 2 24.1100 1945 3 24.6100 1945 4 24.6100 1945 5 24.6100 1945 6 24.6100 1945 7 24.6100 1945 8 24.6100 1945 9 24.6100 1945 10 24.9100 1945 11 25.3700 1945 12 25.3700 1946 1 25.3700 1946 2 25.3700 1946 3 25.7500 1946 4 26.1200 1946 5 26.4500 1946 6 28.1300 1946 7 28.1300 1946 8 28.1300 1946 9 28.1300 1946 10 28.1300 1946 11 28.1300 1946 12 29.6400 1947 1 30.1400 1947 2 30.1500 1947 3 32.9200 1947 4 33.1500 1947 5 33.1500 1947 6 33.1500 1947 7 34.5200 1947 8 36.8400 1947 9 36.9500 1947 10 36.9500 1947 11 37.0400 1947 12 37.2400 1948 1 39.8300 1948 2 40.2700 1948 3 40.3200 1948 4 40.1100 1948 5 40.3300 1948 6 40.5100 1948 7 42.2500 1948 8 44.3400 1948 9 44.9600 1948 10 46.6300 1948 11 48.8400 1948 12 48.9100 1949 1 46.7900 1949 2 46.7400 1949 3 46.7400 1949 4 46.6400 1949 5 45.9700 1949 6 45.9100 1949 7 45.9100 1949 8 45.9100 1949 9 45.9000 1949 10 45.8800 1949 11 45.8800 1949 12 45.8800 1950 1 45.9800 1950 2 46.3800 1950 3 46.3800 1950 4 46.3800 1950 5 46.3800 1950 6 46.3800 1950 7 46.3800 1950 8 46.5600 1950 9 47.1600 1950 10 49.2900 1950 11 49.6900 1950 12 52.5000 1951 1 52.6900 1951 2 52.6900 1951 3 52.6900 1951 4 52.6900 1951 5 52.6900 1951 6 52.6900 1951 7 52.6900 1951 8 52.6900 1951 9 52.6900 1951 10 52.7200 1951 11 52.7200 1951 12 52.7200 1952 1 52.7200 1952 2 52.7200 1952 3 52.7200 1952 4 52.7200 1952 5 52.7700 1952 6 52.7700 1952 7 53.2700 1952 8 55.2600 1952 9 55.2600 1952 10 55.2600 1952 11 55.2600 1952 12 55.2600 1953 1 55.2600 1953 2 55.2600 1953 3 55.2600 1953 4 55.2600 1953 5 55.2600 1953 6 55.3200 1953 7 56.7300 1953 8 56.7600 1953 9 56.6600 1953 10 56.5900 1953 11 56.5900 1953 12 56.5900 1954 1 56.5900 1954 2 56.5900 1954 3 56.5900 1954 4 56.5900 1954 5 56.5900 1954 6 56.5900 1954 7 56.5900 1954 8 56.5900 1954 9 56.5900 1954 10 56.5900 1954 11 56.5900 1954 12 56.5900 1955 1 56.5900 1955 2 56.5900 1955 3 56.5900 1955 4 56.5900 1955 5 56.5900 1955 6 56.5900 1955 7 58.4600 1955 8 59.0900 1955 9 59.0900 1955 10 59.0900 1955 11 59.0900 1955 12 59.0900 1956 1 59.0900 1956 2 59.0900 1956 3 59.2500 1956 4 60.2900 1956 5 60.2900 1956 6 60.2900 1956 7 60.3300 1956 8 63.0200 1956 9 63.0400 1956 10 63.0400 1956 11 63.0400 1956 12 63.0400 1957 1 62.9000 1957 2 62.9000 1957 3 64.5600 1957 4 64.5600 1957 5 64.5600 1957 6 64.5600 1957 7 65.3700 1957 8 66.4000 1957 9 66.4200 1957 10 66.4200 1957 11 66.4200 1957 12 66.4200 1958 1 66.4200 1958 2 66.4600 1958 3 66.4900 1958 4 66.4900 1958 5 . 1958 6 . 1958 7 . 1958 8 . 1958 9 . 1958 10 . 1958 11 . 1958 12 .