year Y R K W L 1948 1.214 0.1454 0.612 0.243 1.415 1949 1.354 0.2181 0.559 0.260 1.384 1950 1.569 0.3157 0.573 0.278 1.388 1951 1.948 0.3940 0.564 0.297 1.550 1952 2.265 0.3559 0.574 0.310 1.802 1953 2.731 0.3593 0.711 0.322 1.926 1954 3.025 0.4025 0.776 0.335 1.964 1955 3.562 0.3961 0.827 0.350 2.116 1956 3.979 0.3822 0.800 0.361 2.435 1957 4.420 0.3045 0.921 0.379 2.707 1958 4.563 0.3284 1.067 0.391 2.706 1959 5.385 0.3856 1.083 0.426 2.846 1960 5.554 0.3193 1.481 0.441 3.089 1961 5.465 0.3079 1.736 0.460 3.122 1962 5.825 0.3783 1.926 0.485 3.184 1963 6.876 0.4180 2.041 0.506 3.263 1964 7.823 0.5163 1.997 0.538 3.412 1965 9.120 0.5879 2.257 0.564 3.623 1966 10.512 0.5369 2.742 0.586 4.074 1967 13.020 0.4443 3.564 0.622 4.710 1968 15.261 0.3052 4.767 0.666 5.217 1969 16.313 0.2332 6.511 0.731 5.569 1970 16.002 0.1883 7.627 0.831 5.495 1971 15.876 0.2023 8.673 0.906 5.334 1972 16.662 0.2506 8.331 1.000 5.345 1973 17.014 0.2668 8.557 1.056 5.662 1974 19.305 0.2664 9.508 1.131 5.729 1975 18.721 0.2301 9.062 1.247 5.722 1976 19.250 0.3452 8.262 1.375 5.762 1977 20.647 0.4508 7.474 1.544 5.877 1978 22.726 0.5877 7.104 1.703 6.108 1979 23.619 0.5346 6.874 1.779 6.852