1947 54.48 53.03 52.71 1948 57.32 57.07 57.33 1949 55.13 56.51 56.44

54.54 53.95

51.65

51.21

52.67
53.48
50.10

52.42 55.81
56.22 58.50
50.24 54.95

60.08 61.07

59.52

69.89

68.45

66.86

70.69

70.82

1951 62.47 62.77 64.35 63.18 62.70 61.46 61.26 58.59 59.67 61.81
1952 67.14 64.12 64.31 64.62 63.04 63.76 65.12 64.08 66.01 70.36
1953 70.14 69.76 69.80 70.62
69.47 68.64 66.50 68.39 70.14
1954 69.36 67.77 69.46
67.15 67.03 65.18 67.47 71.31
1955 73.04 69.02 69.63
72.28 69.74 72.92 75.65

71.23

62.62 64.12 66.52 72.11 73.10 73.59 73.02 73.62 73.27 73.02 73.10 72.76 78.44 77.47 77.04

59.7

1947 43.17 41.29 41.81 42.47 42.32 42.83 42.60 42.38 41.88 43.85 45.26 44.92 45.70 1948 45.87 44.74 46.00 45.50 45.65 45.99 45.86 44.64 45.73 45.81 46.83 47.36 46.61 1949 45.63 46.53 46.14 46.26 44.18 44.62 44.93 43.43 44.35 46.25 46.95 48.02 45.71 1950 49.53 46.65 47.04 47.84 48.44 48.40 48.12 47.84 50.39 50.59 51.87 52.33 51.95 1951 52.01 51.20 52.54 52.67 52.01 50.83 1952 56.70 55.34 55.61 55.75 54.10 55.75 1953 59.24 58.55 59.39 60.42 59.57 59.28 1954 57.18 58.67 58.74 58.41 56.24 57.48 1955 58.95 57.96 58.50 59.34 58.35 57.87

51.09 50.44 51.22 52.14 52.80
54.92 53.82 56.17 58.09 60.48
58.98 56.65 58.15 58.76 60.64
56.12 55.25 56.84 56.94 57.82
56.74 57.66 58.07 59.85 60.94

52.93 54.68 59.62 60.42 61.31 60.10 56.94 57.18 60.74 59.58