1947 1 32.0500 1947 2 32.0750 1947 3 31.9020 1947 4 31.0740 1947 5 30.2900 1947 6 29.8940 1947 7 29.6460 1947 8 29.1170 1947 9 29.0520 1947 10 28.5600 1947 11 28.5230 1947 12 28.3790 1948 1 28.4510 1948 2 28.2910 1948 3 28.1740 1948 4 27.8250 1948 5 27.1010 1948 6 27.8250 1948 7 28.6950 1948 8 28.8810 1948 9 28.5280 1948 10 28.0580 1948 11 27.4530 1948 12 26.4590 1949 1 25.8060 1949 2 25.0730 1949 3 24.1040 1949 4 22.5430 1949 5 21.1170 1949 6 19.9180 1949 7 19.3930 1949 8 18.9470 1949 9 18.5940 1949 10 18.8920 1949 11 19.3020 1949 12 19.5040 1950 1 20.3250 1950 2 20.7900 1950 3 21.2230 1950 4 21.4490 1950 5 21.5490 1950 6 22.3790 1950 7 25.0850 1950 8 28.9880 1950 9 31.0570 1950 10 32.8950 1950 11 33.9400 1950 12 35.2220 1951 1 41.0870 1951 2 45.0500 1951 3 49.0490 1951 4 51.8260 1951 5 53.4380 1951 6 56.2840 1951 7 59.3370 1951 8 60.2480 1951 9 60.8110 1951 10 61.8230 1951 11 62.3780 1951 12 63.0770 1952 1 64.3710 1952 2 64.6850 1952 3 66.8100 1952 4 68.2680 1952 5 67.3840 1952 6 70.5670 1952 7 73.2300 1952 8 73.8120 1952 9 74.3660 1952 10 73.3600 1952 11 72.2790 1952 12 72.3170 1953 1 74.4940 1953 2 74.7290 1953 3 74.0780 1953 4 73.4430 1953 5 72.6600 1953 6 72.5550 1953 7 71.6170 1953 8 69.3080 1953 9 65.7450 1953 10 62.1110 1953 11 59.6020 1953 12 57.8540 1954 1 56.4200 1954 2 54.6600 1954 3 52.2160 1954 4 50.1550 1954 5 47.9070 1954 6 46.5310 1954 7 45.6310 1954 8 44.5900 1954 9 44.9500 1954 10 45.7910 1954 11 44.7240 1954 12 45.2330 1955 1 46.5060 1955 2 47.1570 1955 3 48.3130 1955 4 48.1360 1955 5 48.0550 1955 6 48.7150 1955 7 49.9830 1955 8 50.9120 1955 9 51.9420 1955 10 52.7240 1955 11 53.7750 1955 12 56.3690 1956 1 58.0420 1956 2 58.3590 1956 3 58.8900 1956 4 59.2990 1956 5 59.3510 1956 6 59.7560 1956 7 61.7220 1956 8 63.9880 1956 9 63.7850 1956 10 62.8190 1956 11 63.1950 1956 12 64.0670 1957 1 64.0570 1957 2 64.0730 1957 3 63.5570 1957 4 61.8120 1957 5 60.6780 1957 6 59.5970 1957 7 58.3780 1957 8 56.8520 1957 9 55.1840 1957 10 52.6260 1957 11 51.4170 1957 12 50.4640 1958 1 48.5740 1958 2 47.0790 1958 3 46.7500 1958 4 45.4200 1958 5 44.7590 1958 6 44.9170 1958 7 45.3340 1958 8 45.2270 1958 9 44.7840 1958 10 44.6840 1958 11 45.4820 1958 12 45.7090 1959 1 46.6970 1959 2 48.2410 1959 3 49.5550 1959 4 49.6120 1959 5 48.8050 1959 6 48.8500 1959 7 49.1320 1959 8 49.2060 1959 9 49.9070 1959 10 50.4420 1959 11 50.5140 1959 12 50.4280 1960 1 49.4390 1960 2 48.5280 1960 3 47.4610 1960 4 45.9000 1960 5 44.8850 1960 6 44.5720 1960 7 44.4220 1960 8 44.8070 1960 9 44.8400 1960 10 43.7370 1960 11 43.3440 1960 12 43.1870 1961 1 43.0290 1961 2 43.0730 1961 3 42.9590 1961 4 42.9510 1961 5 42.8680 1961 6 43.0190 1961 7 43.8190 1961 8 44.3080 1961 9 44.2330 1961 10 44.1120 1961 11 44.2790 1961 12 44.9300 1962 1 45.8640 1962 2 46.5320 1962 3 46.0800 1962 4 45.0000 1962 5 44.3280 1962 6 43.8810 1962 7 44.1690 1962 8 43.7620 1962 9 43.4510 1962 10 43.4110 1962 11 42.9750 1962 12 43.9950 1963 1 45.2960 1963 2 46.5210 1963 3 47.9370 1963 4 48.2080 1963 5 48.5600 1963 6 47.9370 1963 7 48.2210 1963 8 48.3120 1963 9 48.4960 1963 10 48.1520 1963 11 47.8030 1963 12 47.2910 1964 1 48.5630 1964 2 49.1210 1964 3 49.7070 1964 4 50.1300 1964 5 50.5680 1964 6 51.3410 1964 7 53.0740 1964 8 53.3820 1964 9 53.9110 1964 10 54.4930 1964 11 54.4100 1964 12 54.7760 1965 1 57.0180 1965 2 58.2350 1965 3 58.8310 1965 4 59.3500 1965 5 59.3880 1965 6 59.7880 1965 7 60.6800 1965 8 61.1570 1965 9 62.1050 1965 10 62.8150 1965 11 63.1830 1965 12 64.0150 1966 1 66.2690 1966 2 67.9830 1966 3 70.1270 1966 4 71.5140 1966 5 71.8900 1966 6 73.2400 1966 7 75.1740 1966 8 75.8050 1966 9 77.6960 1966 10 77.9280 1966 11 77.0890 1966 12 76.8950 1967 1 77.1450 1967 2 77.1640 1967 3 76.3940 1967 4 76.1450 1967 5 76.0910 1967 6 77.0300 1967 7 78.1280 1967 8 78.3670 1967 9 78.5540 1967 10 79.1140 1967 11 78.5790 1967 12 79.4800 1968 1 80.2730 1968 2 80.7960 1968 3 82.2120 1968 4 82.5500 1968 5 81.4460 1968 6 80.7060 1968 7 80.0440 1968 8 80.6670 1968 9 81.3180 1968 10 82.3070 1968 11 81.9510 1968 12 82.9460 1969 1 84.1500 1969 2 84.9880 1969 3 85.3800 1969 4 86.6210 1969 5 86.4070 1969 6 85.6310 1969 7 81.3180 1969 8 86.4350 1969 9 87.0050 1969 10 . 1969 11 . 1969 12 .