1920 1 . 1920 2 . 1920 3 . 1920 4 . 1920 5 . 1920 6 110.800 1920 7 111.700 1920 8 108.400 1920 9 103.700 1920 10 98.9000 1920 11 89.9000 1920 12 81.9000 1921 1 72.2000 1921 2 70.7000 1921 3 71.6000 1921 4 68.7000 1921 5 67.0000 1921 6 64.9000 1921 7 63.7000 1921 8 65.7000 1921 9 66.8000 1921 10 71.7000 1921 11 72.0000 1921 12 72.7000 1922 1 . 1922 2 . 1922 3 . 1922 4 . 1922 5 . 1922 6 . 1922 7 84.6000 1922 8 86.9000 1922 9 89.0000 1922 10 92.9000 1922 11 95.5000 1922 12 97.2000 1923 1 99.8000 1923 2 100.400 1923 3 104.900 1923 4 105.200 1923 5 103.800 1923 6 102.700 1923 7 99.7000 1923 8 98.7000 1923 9 97.0000 1923 10 97.5000 1923 11 94.8000 1923 12 95.6000 1924 1 95.6000 1924 2 96.9000 1924 3 97.5000 1924 4 93.5000 1924 5 88.7000 1924 6 83.2000 1924 7 78.1000 1924 8 80.1000 1924 9 83.0000 1924 10 86.1000 1924 11 85.4000 1924 12 87.8000 1925 1 92.2000 1925 2 94.8000 1925 3 95.4000 1925 4 94.1000 1925 5 93.6000 1925 6 91.6000 1925 7 90.3000 1925 8 91.0000 1925 9 94.5000 1925 10 95.0000 1925 11 96.6000 1925 12 98.0000 1926 1 98.7000 1926 2 100.400 1926 3 100.400 1926 4 99.0000 1926 5 96.6000 1926 6 95.6000 1926 7 93.3000 1926 8 93.1000 1926 9 96.0000 1926 10 95.9000 1926 11 92.3000 1926 12 90.8000 1927 1 92.7000 1927 2 93.9000 1927 3 94.3000 1927 4 92.8000 1927 5 93.2000 1927 6 91.4000 1927 7 89.1000 1927 8 89.5000 1927 9 89.8000 1927 10 88.9000 1927 11 85.9000 1927 12 86.2000 1928 1 88.1000 1928 2 90.2000 1928 3 90.3000 1928 4 88.7000 1928 5 89.8000 1928 6 90.7000 1928 7 90.6000 1928 8 91.4000 1928 9 93.0000 1928 10 92.5000 1928 11 92.0000 1928 12 94.0000 1929 1 96.6000 1929 2 99.7000 1929 3 101.100 1929 4 101.700 1929 5 102.700 1929 6 102.400 1929 7 100.900 1929 8 100.500 1929 9 101.200 1929 10 102.500 1929 11 92.1000 1929 12 90.1000 1930 1 88.9000 1930 2 90.2000 1930 3 87.5000 1930 4 85.6000 1930 5 83.0000 1930 6 80.0000 1930 7 71.8000 1930 8 70.2000 1930 9 68.8000 1930 10 68.3000 1930 11 64.4000 1930 12 64.5000 1931 1 60.6000 1931 2 64.3000 1931 3 64.9000 1931 4 64.3000 1931 5 65.4000 1931 6 61.2000 1931 7 58.2000 1931 8 57.4000 1931 9 55.7000 1931 10 51.9000 1931 11 50.4000 1931 12 51.8000 1932 1 49.0000 1932 2 52.0000 1932 3 48.3000 1932 4 44.0000 1932 5 41.5000 1932 6 38.1000 1932 7 36.1000 1932 8 36.6000 1932 9 41.0000 1932 10 42.8000 1932 11 43.3000 1932 12 41.1000 1933 1 41.0000 1933 2 41.6000 1933 3 36.3000 1933 4 38.4000 1933 5 44.3000 1933 6 52.8000 1933 7 60.4000 1933 8 58.0000 1933 9 56.5000 1933 10 56.2000 1933 11 50.2000 1933 12 50.2000 1934 1 50.2000 1934 2 55.0000 1934 3 58.3000 1934 4 59.5000 1934 5 59.0000 1934 6 58.3000 1934 7 54.3000 1934 8 52.4000 1934 9 50.1000 1934 10 51.5000 1934 11 50.6000 1934 12 54.5000 1935 1 58.5000 1935 2 61.8000 1935 3 61.9000 1935 4 62.3000 1935 5 60.3000 1935 6 59.9000 1935 7 60.1000 1935 8 61.7000 1935 9 63.5000 1935 10 66.0000 1935 11 67.5000 1935 12 67.7000 1936 1 66.5000 1936 2 66.0000 1936 3 67.2000 1936 4 69.5000 1936 5 69.7000 1936 6 70.0000 1936 7 70.1000 1936 8 72.5000 1936 9 73.5000 1936 10 77.2000 1936 11 79.7000 1936 12 82.5000 1937 1 79.7000 1937 2 83.1000 1937 3 85.7000 1937 4 85.3000 1937 5 85.0000 1937 6 83.7000 1937 7 81.5000 1937 8 80.3000 1937 9 77.5000 1937 10 76.5000 1937 11 68.9000 1937 12 61.5000 1938 1 55.3000 1938 2 55.5000 1938 3 54.9000 1938 4 52.9000 1938 5 51.3000 1938 6 51.0000 1938 7 51.6000 1938 8 54.9000 1938 9 57.1000 1938 10 60.1000 1938 11 62.1000 1938 12 62.7000 1939 1 62.8000 1939 2 64.2000 1939 3 65.0000 1939 4 64.2000 1939 5 63.1000 1939 6 64.6000 1939 7 64.1000 1939 8 65.8000 1939 9 69.8000 1939 10 74.9000 1939 11 77.0000 1939 12 78.5000 1940 1 77.2000 1940 2 75.5000 1940 3 73.8000 1940 4 73.0000 1940 5 72.6000 1940 6 74.0000 1940 7 74.0000 1940 8 76.4000 1940 9 80.5000 1940 10 85.6000 1940 11 86.7000 1940 12 89.8000 1941 1 91.5000 1941 2 94.3000 1941 3 96.6000 1941 4 98.5000 1941 5 101.900 1941 6 105.400 1941 7 104.700 1941 8 106.000 1941 9 109.000 1941 10 110.400 1941 11 110.400 1941 12 110.500 1942 1 113.400 1942 2 114.000 1942 3 115.900 1942 4 117.800 1942 5 118.000 1942 6 119.800 1942 7 120.900 1942 8 124.600 1942 9 126.700 1942 10 129.500 1942 11 130.400 1942 12 134.700 1943 1 136.000 1943 2 138.300 1943 3 139.300 1943 4 139.400 1943 5 140.500 1943 6 140.700 1943 7 140.500 1943 8 140.900 1943 9 141.600 1943 10 142.600 1943 11 142.600 1943 12 141.200 1944 1 140.100 1944 2 141.500 1944 3 140.600 1944 4 136.300 1944 5 134.100 1944 6 134.000 1944 7 131.300 1944 8 131.300 1944 9 130.200 1944 10 128.800 1944 11 127.700 1944 12 128.500 1945 1 129.100 1945 2 128.500 1945 3 127.600 1945 4 123.700 1945 5 119.800 1945 6 117.300 1945 7 110.900 1945 8 105.400 1945 9 89.3000 1945 10 89.5000 1945 11 90.5000 1945 12 89.6000 1946 1 87.9000 1946 2 83.3000 1946 3 90.1000 1946 4 94.0000 1946 5 91.6000 1946 6 95.6000 1946 7 96.8000 1946 8 98.7000 1946 9 99.8000 1946 10 101.100 1946 11 103.300 1946 12 103.500 1947 1 105.400 1947 2 106.800 1947 3 106.300 1947 4 105.800 1947 5 105.000 1947 6 104.300 1947 7 101.300 1947 8 101.800 1947 9 105.000 1947 10 106.300 1947 11 106.800 1947 12 108.600 1948 1 108.000 1948 2 107.000 1948 3 107.400 1948 4 104.700 1948 5 101.900 1948 6 103.300 1948 7 102.300 1948 8 . 1948 9 . 1948 10 . 1948 11 . 1948 12 .