1920 1 . 1920 2 . 1920 3 . 1920 4 . 1920 5 . 1920 6 59.3000 1920 7 59.1000 1920 8 59.8000 1920 9 59.8000 1920 10 59.9000 1920 11 59.9000 1920 12 60.2000 1921 1 59.5000 1921 2 58.6000 1921 3 56.9000 1921 4 55.7000 1921 5 49.6000 1921 6 49.8000 1921 7 49.5000 1921 8 48.5000 1921 9 47.4000 1921 10 46.1000 1921 11 46.2000 1921 12 46.1000 1922 1 . 1922 2 . 1922 3 . 1922 4 . 1922 5 . 1922 6 . 1922 7 44.5000 1922 8 44.7000 1922 9 45.1000 1922 10 45.3000 1922 11 46.3000 1922 12 46.8000 1923 1 46.6000 1923 2 47.2000 1923 3 47.5000 1923 4 50.1000 1923 5 51.0000 1923 6 50.9000 1923 7 51.6000 1923 8 52.4000 1923 9 51.4000 1923 10 52.2000 1923 11 51.7000 1923 12 52.0000 1924 1 52.2000 1924 2 52.2000 1924 3 52.3000 1924 4 52.2000 1924 5 52.3000 1924 6 52.7000 1924 7 52.7000 1924 8 53.7000 1924 9 52.3000 1924 10 53.5000 1924 11 53.8000 1924 12 53.4000 1925 1 52.8000 1925 2 52.4000 1925 3 53.3000 1925 4 53.1000 1925 5 53.0000 1925 6 53.0000 1925 7 52.9000 1925 8 52.9000 1925 9 52.9000 1925 10 53.1000 1925 11 52.9000 1925 12 52.9000 1926 1 52.6000 1926 2 52.8000 1926 3 52.9000 1926 4 51.8000 1926 5 52.2000 1926 6 52.8000 1926 7 52.8000 1926 8 52.5000 1926 9 53.1000 1926 10 52.9000 1926 11 53.2000 1926 12 53.2000 1927 1 53.7000 1927 2 53.4000 1927 3 53.8000 1927 4 53.7000 1927 5 53.5000 1927 6 53.4000 1927 7 52.8000 1927 8 52.5000 1927 9 52.8000 1927 10 53.4000 1927 11 53.2000 1927 12 53.5000 1928 1 53.4000 1928 2 53.7000 1928 3 53.4000 1928 4 53.5000 1928 5 53.1000 1928 6 53.5000 1928 7 52.9000 1928 8 53.0000 1928 9 53.2000 1928 10 53.6000 1928 11 53.3000 1928 12 53.6000 1929 1 54.4000 1929 2 54.3000 1929 3 54.4000 1929 4 54.3000 1929 5 53.8000 1929 6 54.1000 1929 7 54.2000 1929 8 53.7000 1929 9 53.7000 1929 10 54.3000 1929 11 54.7000 1929 12 53.7000 1930 1 54.2000 1930 2 54.0000 1930 3 53.9000 1930 4 53.4000 1930 5 54.0000 1930 6 53.7000 1930 7 54.3000 1930 8 54.0000 1930 9 54.7000 1930 10 54.4000 1930 11 55.5000 1930 12 54.8000 1931 1 54.9000 1931 2 54.2000 1931 3 54.3000 1931 4 53.9000 1931 5 54.0000 1931 6 54.1000 1931 7 53.0000 1931 8 53.0000 1931 9 52.3000 1931 10 51.8000 1931 11 51.6000 1931 12 51.8000 1932 1 48.8000 1932 2 47.8000 1932 3 47.8000 1932 4 48.0000 1932 5 47.9000 1932 6 46.0000 1932 7 46.1000 1932 8 46.1000 1932 9 46.0000 1932 10 45.9000 1932 11 45.6000 1932 12 45.4000 1933 1 43.3000 1933 2 42.4000 1933 3 42.0000 1933 4 42.7000 1933 5 41.5000 1933 6 41.3000 1933 7 41.5000 1933 8 43.8000 1933 9 46.2000 1933 10 47.7000 1933 11 48.6000 1933 12 49.8000 1934 1 49.7000 1934 2 49.8000 1934 3 50.4000 1934 4 50.0000 1934 5 50.4000 1934 6 50.7000 1934 7 51.6000 1934 8 51.8000 1934 9 52.8000 1934 10 52.8000 1934 11 53.0000 1934 12 53.8000 1935 1 52.6000 1935 2 53.3000 1935 3 53.4000 1935 4 53.1000 1935 5 53.0000 1935 6 53.2000 1935 7 53.5000 1935 8 53.3000 1935 9 53.6000 1935 10 53.5000 1935 11 53.3000 1935 12 53.5000 1936 1 53.7000 1936 2 53.5000 1936 3 53.5000 1936 4 53.8000 1936 5 53.8000 1936 6 54.3000 1936 7 54.6000 1936 8 54.8000 1936 9 55.0000 1936 10 54.9000 1936 11 55.2000 1936 12 56.6000 1937 1 57.5000 1937 2 57.5000 1937 3 57.9000 1937 4 59.2000 1937 5 60.9000 1937 6 63.0000 1937 7 63.9000 1937 8 64.8000 1937 9 64.8000 1937 10 64.8000 1937 11 64.7000 1937 12 65.4000 1938 1 64.9000 1938 2 65.0000 1938 3 64.8000 1938 4 64.5000 1938 5 64.9000 1938 6 65.1000 1938 7 64.3000 1938 8 64.4000 1938 9 63.9000 1938 10 63.9000 1938 11 64.1000 1938 12 63.8000 1939 1 64.0000 1939 2 63.7000 1939 3 63.7000 1939 4 63.6000 1939 5 64.0000 1939 6 64.0000 1939 7 64.1000 1939 8 64.1000 1939 9 64.2000 1939 10 64.5000 1939 11 64.5000 1939 12 64.8000 1940 1 65.1000 1940 2 65.8000 1940 3 65.8000 1940 4 66.1000 1940 5 66.1000 1940 6 66.3000 1940 7 66.8000 1940 8 67.2000 1940 9 67.7000 1940 10 67.7000 1940 11 68.0000 1940 12 68.5000 1941 1 68.5000 1941 2 68.7000 1941 3 68.7000 1941 4 68.8000 1941 5 70.0000 1941 6 73.3000 1941 7 75.0000 1941 8 74.9000 1941 9 75.0000 1941 10 75.1000 1941 11 75.9000 1941 12 76.5000 1942 1 77.8000 1942 2 78.1000 1942 3 78.7000 1942 4 78.3000 1942 5 79.4000 1942 6 81.5000 1942 7 82.6000 1942 8 83.5000 1942 9 83.6000 1942 10 84.8000 1942 11 86.3000 1942 12 85.6000 1943 1 85.7000 1943 2 86.8000 1943 3 86.4000 1943 4 86.7000 1943 5 87.6000 1943 6 88.0000 1943 7 87.7000 1943 8 88.2000 1943 9 88.4000 1943 10 88.3000 1943 11 88.8000 1943 12 89.1000 1944 1 89.5000 1944 2 89.0000 1944 3 89.2000 1944 4 89.2000 1944 5 89.6000 1944 6 89.4000 1944 7 90.0000 1944 8 90.0000 1944 9 91.3000 1944 10 91.4000 1944 11 91.1000 1944 12 90.8000 1945 1 90.9000 1945 2 91.0000 1945 3 91.5000 1945 4 91.6000 1945 5 91.7000 1945 6 92.3000 1945 7 92.9000 1945 8 93.0000 1945 9 94.4000 1945 10 94.3000 1945 11 94.4000 1945 12 96.4000 1946 1 98.3000 1946 2 99.5000 1946 3 100.500 1946 4 100.800 1946 5 103.300 1946 6 105.100 1946 7 106.400 1946 8 107.700 1946 9 109.500 1946 10 110.500 1946 11 111.800 1946 12 112.100 1947 1 113.500 1947 2 114.900 1947 3 116.000 1947 4 117.100 1947 5 119.400 1947 6 123.000 1947 7 125.800 1947 8 127.800 1947 9 128.600 1947 10 128.700 1947 11 129.600 1947 12 129.700 1948 1 129.900 1948 2 131.200 1948 3 131.000 1948 4 131.300 1948 5 135.400 1948 6 136.700 1948 7 141.000 1948 8 . 1948 9 . 1948 10 . 1948 11 . 1948 12 .