Year   Cost    K        L      E       M        Pk      Pl      Pe     Pm 
1947  182.373 0.05107 0.24727 0.04253 0.65913 1.00000 1.00000 1.00000 1.00000
1948  183.161 0.05817 0.27716 0.05127 0.61340 1.00270 1.15457 1.30258 1.05525
1949  186.533 0.04602 0.25911 0.05075 0.64411 0.74371 1.15584 1.19663 1.06625
1950  221.710 0.04991 0.24794 0.04606 0.65609 0.92497 1.23535 1.12442 1.12430
1951  255.945 0.05039 0.25487 0.04482 0.64992 1.04877 1.33784 1.25179 1.21694
1952  264.699 0.04916 0.26655 0.04460 0.63969 0.99744 1.37949 1.27919 1.19961
1953  291.160 0.04728 0.26832 0.04369 0.64071 1.00653 1.43458 1.27505 1.19044
1954  274.457 0.05635 0.27167 0.04787 0.62411 1.08757 1.45362 1.30356 1.20612
1955  308.908 0.05258 0.26465 0.04517 0.63760 1.10315 1.51120 1.34277 1.23835
1956  328.286 0.04604 0.26880 0.04576 0.63940 0.99606 1.58186 1.37154 1.29336
1957  338.633 0.05033 0.27184 0.04820 0.62962 1.06321 1.64641 1.38010 1.30703
1958  323.318 0.06015 0.27283 0.04836 0.61886 1.15619 1.67389 1.39338 1.32699
1959  358.435 0.06185 0.27303 0.04563 0.61948 1.30758 1.73430 1.36756 1.30774
1960  366.251 0.05788 0.27738 0.04585 0.61889 1.25413 1.78280 1.38025 1.33946
1961  366.162 0.05903 0.27839 0.04640 0.61617 1.26328 1.81977 1.37630 1.34319
1962  390.668 0.05578 0.28280 0.04530 0.61613 1.26525 1.88531 1.37689 1.34745
1963  412.188 0.05601 0.27968 0.04470 0.61962 1.32294 1.93379 1.34737 1.33143
1964  433.768 0.05452 0.28343 0.04392 0.61814 1.32798 2.00998 1.38969 1.35197
1965  474.969 0.05467 0.27996 0.04114 0.62423 1.40659 2.05539 1.38635 1.37542
1966  521.291 0.05460 0.28363 0.04014 0.62163 1.45100 2.13441 1.40102 1.41878
1967  540.941 0.05443 0.28646 0.04074 0.61837 1.38617 2.20616 1.39197 1.42428
1968  585.447 0.05758 0.28883 0.03971 0.61388 1.49901 2.33869 1.43388 1.43481
1969  630.450 0.05410 0.29031 0.03963 0.61597 1.44957 2.46412 1.46481 1.53356
1970  623.466 0.05255 0.29755 0.04348 0.60642 1.32464 2.60532 1.45907 1.54758
1971  658.235 0.04675 0.28905 0.04479 0.61940 1.20177 2.76025 1.64689 1.54978