1920 1 . 1920 2 . 1920 3 . 1920 4 . 1920 5 . 1920 6 104.400 1920 7 94.3000 1920 8 89.8000 1920 9 79.7000 1920 10 73.1000 1920 11 68.8000 1920 12 66.5000 1921 1 59.9000 1921 2 76.5000 1921 3 78.5000 1921 4 75.4000 1921 5 78.1000 1921 6 82.1000 1921 7 82.4000 1921 8 88.3000 1921 9 86.9000 1921 10 88.9000 1921 11 90.1000 1921 12 98.0000 1922 1 . 1922 2 . 1922 3 . 1922 4 . 1922 5 . 1922 6 . 1922 7 89.5000 1922 8 94.7000 1922 9 97.7000 1922 10 98.2000 1922 11 101.100 1922 12 105.000 1923 1 105.900 1923 2 102.800 1923 3 105.900 1923 4 104.300 1923 5 103.700 1923 6 101.700 1923 7 95.6000 1923 8 100.600 1923 9 99.0000 1923 10 95.5000 1923 11 95.5000 1923 12 90.6000 1924 1 94.1000 1924 2 94.9000 1924 3 98.6000 1924 4 90.9000 1924 5 82.2000 1924 6 79.9000 1924 7 77.6000 1924 8 83.3000 1924 9 90.4000 1924 10 89.6000 1924 11 85.1000 1924 12 87.9000 1925 1 94.5000 1925 2 96.0000 1925 3 97.2000 1925 4 93.5000 1925 5 91.5000 1925 6 89.3000 1925 7 85.0000 1925 8 92.8000 1925 9 91.7000 1925 10 89.2000 1925 11 80.6000 1925 12 79.3000 1926 1 87.8000 1926 2 88.5000 1926 3 87.5000 1926 4 80.0000 1926 5 73.6000 1926 6 79.2000 1926 7 85.6000 1926 8 88.3000 1926 9 89.7000 1926 10 89.2000 1926 11 85.5000 1926 12 88.7000 1927 1 89.2000 1927 2 90.5000 1927 3 89.9000 1927 4 86.4000 1927 5 87.0000 1927 6 87.4000 1927 7 90.7000 1927 8 95.8000 1927 9 97.3000 1927 10 93.1000 1927 11 87.8000 1927 12 84.4000 1928 1 88.2000 1928 2 90.1000 1928 3 87.5000 1928 4 79.9000 1928 5 79.4000 1928 6 82.9000 1928 7 88.1000 1928 8 90.4000 1928 9 91.7000 1928 10 92.4000 1928 11 82.9000 1928 12 83.4000 1929 1 93.2000 1929 2 91.1000 1929 3 84.1000 1929 4 80.9000 1929 5 86.7000 1929 6 82.9000 1929 7 91.0000 1929 8 103.500 1929 9 106.000 1929 10 99.4000 1929 11 90.4000 1929 12 92.3000 1930 1 91.4000 1930 2 89.3000 1930 3 80.8000 1930 4 79.4000 1930 5 74.0000 1930 6 74.6000 1930 7 76.4000 1930 8 77.0000 1930 9 66.3000 1930 10 72.2000 1930 11 57.5000 1930 12 58.3000 1931 1 60.4000 1931 2 68.3000 1931 3 70.6000 1931 4 69.1000 1931 5 77.5000 1931 6 75.5000 1931 7 80.2000 1931 8 83.1000 1931 9 78.6000 1931 10 69.9000 1931 11 58.6000 1931 12 60.2000 1932 1 57.0000 1932 2 65.3000 1932 3 65.5000 1932 4 60.2000 1932 5 53.8000 1932 6 54.9000 1932 7 59.9000 1932 8 62.6000 1932 9 67.5000 1932 10 70.5000 1932 11 57.3000 1932 12 58.5000 1933 1 54.2000 1933 2 59.6000 1933 3 56.4000 1933 4 54.1000 1933 5 59.2000 1933 6 68.7000 1933 7 79.4000 1933 8 86.3000 1933 9 89.0000 1933 10 82.0000 1933 11 68.5000 1933 12 66.7000 1934 1 78.2000 1934 2 85.9000 1934 3 90.9000 1934 4 88.0000 1934 5 85.9000 1934 6 85.3000 1934 7 86.8000 1934 8 82.0000 1934 9 82.8000 1934 10 76.3000 1934 11 70.7000 1934 12 74.0000 1935 1 84.3000 1935 2 90.0000 1935 3 91.3000 1935 4 86.9000 1935 5 81.4000 1935 6 85.9000 1935 7 86.8000 1935 8 91.1000 1935 9 86.2000 1935 10 82.4000 1935 11 78.6000 1935 12 82.0000 1936 1 89.7000 1936 2 88.6000 1936 3 83.6000 1936 4 75.9000 1936 5 71.6000 1936 6 72.5000 1936 7 83.4000 1936 8 90.8000 1936 9 85.5000 1936 10 84.6000 1936 11 90.5000 1936 12 94.0000 1937 1 98.6000 1937 2 101.600 1937 3 105.300 1937 4 100.300 1937 5 93.8000 1937 6 96.0000 1937 7 96.5000 1937 8 94.8000 1937 9 81.3000 1937 10 76.0000 1937 11 66.5000 1937 12 71.9000 1938 1 78.8000 1938 2 81.9000 1938 3 77.5000 1938 4 70.1000 1938 5 59.2000 1938 6 65.6000 1938 7 75.3000 1938 8 82.3000 1938 9 79.7000 1938 10 76.5000 1938 11 69.9000 1938 12 79.5000 1939 1 87.5000 1939 2 91.8000 1939 3 90.3000 1939 4 84.7000 1939 5 69.9000 1939 6 75.0000 1939 7 86.5000 1939 8 87.5000 1939 9 77.4000 1939 10 75.7000 1939 11 74.5000 1939 12 79.0000 1940 1 85.7000 1940 2 85.0000 1940 3 79.6000 1940 4 70.3000 1940 5 64.5000 1940 6 66.8000 1940 7 79.4000 1940 8 80.5000 1940 9 71.6000 1940 10 70.6000 1940 11 71.9000 1940 12 81.1000 1941 1 87.7000 1941 2 95.6000 1941 3 96.9000 1941 4 92.8000 1941 5 93.0000 1941 6 100.600 1941 7 105.300 1941 8 107.300 1941 9 102.700 1941 10 106.200 1941 11 106.900 1941 12 114.600 1942 1 119.500 1942 2 125.400 1942 3 127.000 1942 4 124.200 1942 5 122.400 1942 6 117.000 1942 7 113.500 1942 8 118.000 1942 9 114.800 1942 10 117.700 1942 11 117.900 1942 12 126.000