x1 x2 x3 x4 x5 x6 x7 x8 x9 y 1930 1 17.75 60.2 5.83 69 1.49 77.9 2.42 74.4 34 1931 2 14.76 57.5 3.83 75 2.72 77.2 3.3 72.6 32.9 1932 3 27.99 62.3 5.17 72 3.12 75.8 7.1 72.2 43 1933 4 16.76 60.5 1.64 77.8 3.45 76.1 3.01 70.5 40 1934 5 11.36 69.5 3.49 77.2 3.85 79.7 2.84 73.4 23 1935 6 22.71 55 7 65.9 3.35 79.4 2.42 73.6 38.4 1936 7 17.91 66.2 2.85 70.1 0.51 83.4 3.48 79.2 20 1937 8 23.31 61.8 3.8 69 2.63 75.9 3.99 77.8 44.6 1938 9 18.53 59.5 4.67 69.2 4.24 76.5 3.82 75.7 46.3 1939 10 18.56 66.4 5.32 71.4 3.15 76.2 4.72 70.7 52.2 1940 11 12.45 58.4 3.56 71.3 4.57 76.7 6.44 70.7 52.3 1941 12 16.05 66 6.2 70 2.24 75.1 1.94 75.1 51 1942 13 27.1 59.3 5.93 69.7 4.89 74.3 3.17 72.2 59.9 1943 14 19.05 57.5 6.16 71.6 4.56 75.4 5.07 74 54.7 1944 15 20.79 64.6 5.88 71.7 3.73 72.6 5.88 71.8 52 1945 16 21.88 55.1 4.7 64.1 2.96 72.1 3.43 72.5 43.5 1946 17 20.02 56.5 6.41 69.8 2.45 73.8 3.56 68.9 56.7 1947 18 23.17 55.6 10.39 66.3 1.72 72.8 1.49 80.6 30.5 1948 19 19.15 59.2 3.42 68.6 4.14 75 2.54 73.9 60.5 1949 20 18.28 63.5 5.51 72.4 3.47 76.2 2.34 73 46.1 1950 21 18.45 59.8 5.7 68.4 4.65 69.7 2.39 67.7 48.2 1951 22 22 62.2 6.11 65.2 4.45 72.1 6.21 70.5 43.1 1952 23 19.05 59.6 5.4 74.2 3.84 74.7 4.78 70 62.2 1953 24 15.67 60 5.31 73.2 3.28 74.6 2.33 73.2 52.9 1954 25 15.92 55.6 6.36 72.9 1.79 77.4 7.1 72.1 53.9 1955 26 16.75 63.6 3.07 67.2 3.29 79.8 1.79 77.2 48.4 1956 27 12.34 62.4 2.56 74.7 4.51 72.7 4.42 73 52.8 1957 28 15.82 59 4.84 68.9 3.54 77.9 3.76 72.9 62.1 1958 29 15.24 62.5 3.8 66.4 7.55 70.5 2.55 73 66 1959 30 21.72 62.8 4.11 71.5 2.29 72.3 4.92 76.3 64.2 1960 31 25.08 59.7 4.43 67.4 2.76 72.6 5.36 73.2 63.2 1961 32 17.79 57.4 3.36 69.4 5.51 72.6 3.04 72.4 75.4 1962 33 26.61 66.6 3.12 69.1 6.27 71.6 4.31 72.5 76