1919 1 68.2000 1919 2 66.1000 1919 3 64.0000 1919 4 65.6000 1919 5 67.3000 1919 6 70.7000 1919 7 75.8000 1919 8 77.6000 1919 9 78.2000 1919 10 77.2000 1919 11 80.4000 1919 12 82.3000 1920 1 88.2000 1920 2 85.5000 1920 3 86.4000 1920 4 84.4000 1920 5 83.7000 1920 6 82.9000 1920 7 81.6000 1920 8 79.7000 1920 9 77.9000 1920 10 73.3000 1920 11 68.8000 1920 12 61.5000 1921 1 55.3000 1921 2 55.7000 1921 3 54.2000 1921 4 53.5000 1921 5 52.4000 1921 6 51.8000 1921 7 50.9000 1921 8 51.6000 1921 9 52.2000 1921 10 53.7000 1921 11 54.6000 1921 12 54.2000 1922 1 54.5000 1922 2 55.8000 1922 3 57.2000 1922 4 57.8000 1922 5 60.4000 1922 6 62.7000 1922 7 63.2000 1922 8 64.5000 1922 9 66.7000 1922 10 68.8000 1922 11 71.0000 1922 12 73.7000 1923 1 75.6000 1923 2 76.4000 1923 3 78.5000 1923 4 80.5000 1923 5 81.8000 1923 6 82.4000 1923 7 80.4000 1923 8 80.6000 1923 9 79.0000 1923 10 79.1000 1923 11 78.9000 1923 12 77.9000 1924 1 79.0000 1924 2 80.4000 1924 3 78.0000 1924 4 77.0000 1924 5 74.0000 1924 6 71.3000 1924 7 70.1000 1924 8 71.2000 1924 9 73.2000 1924 10 74.0000 1924 11 76.0000 1924 12 78.2000 1925 1 80.4000 1925 2 81.0000 1925 3 80.9000 1925 4 80.9000 1925 5 81.0000 1925 6 81.6000 1925 7 82.7000 1925 8 82.9000 1925 9 83.5000 1925 10 86.5000 1925 11 87.5000 1925 12 87.8000 1926 1 88.2000 1926 2 87.6000 1926 3 87.6000 1926 4 87.7000 1926 5 87.1000 1926 6 87.4000 1926 7 88.5000 1926 8 88.8000 1926 9 88.9000 1926 10 88.5000 1926 11 87.9000 1926 12 88.0000 1927 1 87.6000 1927 2 88.7000 1927 3 89.0000 1927 4 88.3000 1927 5 88.2000 1927 6 88.1000 1927 7 87.6000 1927 8 88.7000 1927 9 87.6000 1927 10 86.9000 1927 11 87.4000 1927 12 87.3000 1928 1 87.2000 1928 2 88.1000 1928 3 88.5000 1928 4 88.0000 1928 5 90.2000 1928 6 90.9000 1928 7 90.3000 1928 8 92.5000 1928 9 94.5000 1928 10 94.9000 1928 11 97.6000 1928 12 99.7000 1929 1 100.000 1929 2 99.9000 1929 3 101.000 1929 4 100.000 1929 5 100.000 1929 6 101.100 1929 7 102.700 1929 8 104.100 1929 9 102.200 1929 10 101.800 1929 11 98.4000 1929 12 93.9000 1930 1 91.9000 1930 2 90.7000 1930 3 89.1000 1930 4 88.4000 1930 5 86.8000 1930 6 83.6000 1930 7 80.2000 1930 8 77.5000 1930 9 75.9000 1930 10 73.8000 1930 11 70.8000 1930 12 69.4000 1931 1 68.0000 1931 2 66.5000 1931 3 66.8000 1931 4 66.6000 1931 5 63.5000 1931 6 61.5000 1931 7 59.6000 1931 8 57.6000 1931 9 55.2000 1931 10 53.5000 1931 11 51.8000 1931 12 51.2000 1932 1 49.4000 1932 2 48.2000 1932 3 45.9000 1932 4 45.3000 1932 5 42.3000 1932 6 40.6000 1932 7 38.8000 1932 8 39.0000 1932 9 39.5000 1932 10 39.2000 1932 11 38.7000 1932 12 37.9000 1933 1 37.1000 1933 2 36.4000 1933 3 34.4000 1933 4 35.7000 1933 5 38.9000 1933 6 42.7000 1933 7 46.5000 1933 8 47.8000 1933 9 47.7000 1933 10 47.4000 1933 11 47.1000 1933 12 48.2000 1934 1 50.4000 1934 2 51.9000 1934 3 53.6000 1934 4 54.5000 1934 5 54.9000 1934 6 54.0000 1934 7 52.6000 1934 8 53.2000 1934 9 51.1000 1934 10 52.0000 1934 11 52.4000 1934 12 53.7000 1935 1 55.6000 1935 2 56.9000 1935 3 57.5000 1935 4 58.1000 1935 5 58.0000 1935 6 58.8000 1935 7 59.3000 1935 8 60.5000 1935 9 60.7000 1935 10 62.2000 1935 11 63.9000 1935 12 63.9000 1936 1 64.7000 1936 2 65.1000 1936 3 65.1000 1936 4 66.7000 1936 5 67.8000 1936 6 72.9000 1936 7 72.8000 1936 8 71.9000 1936 9 72.6000 1936 10 74.4000 1936 11 76.3000 1936 12 79.5000 1937 1 79.3000 1937 2 81.5000 1937 3 84.8000 1937 4 85.9000 1937 5 86.4000 1937 6 86.1000 1937 7 86.7000 1937 8 86.4000 1937 9 85.0000 1937 10 81.5000 1937 11 76.9000 1937 12 72.7000 1938 1 70.5000 1938 2 68.8000 1938 3 67.7000 1938 4 66.6000 1938 5 65.1000 1938 6 65.8000 1938 7 66.3000 1938 8 68.2000 1938 9 69.0000 1938 10 69.1000 1938 11 70.7000 1938 12 71.9000 1939 1 72.1000 1939 2 71.6000 1939 3 72.5000 1939 4 71.3000 1939 5 73.0000 1939 6 74.2000 1939 7 74.5000 1939 8 75.8000 1939 9 79.3000 1939 10 81.5000 1939 11 83.1000 1939 12 84.4000 1940 1 84.3000 1940 2 83.1000 1940 3 81.8000 1940 4 82.1000 1940 5 83.5000 1940 6 83.5000 1940 7 84.8000 1940 8 86.5000 1940 9 87.0000 1940 10 90.7000 1940 11 92.9000 1940 12 95.7000