1920 1 13.8400 1920 2 12.9500 1920 3 14.0900 1920 4 11.6900 1920 5 14.1300 1920 6 14.9900 1920 7 16.1100 1920 8 17.1100 1920 9 16.9000 1920 10 17.3200 1920 11 15.5200 1920 12 14.3200 1921 1 12.2600 1921 2 10.2400 1921 3 11.3000 1921 4 10.9100 1921 5 12.0600 1921 6 12.2000 1921 7 12.3800 1921 8 13.3800 1921 9 13.4900 1921 10 15.6400 1921 11 12.7400 1921 12 10.9800 1922 1 11.3200 1922 2 12.2400 1922 3 14.1100 1922 4 10.7000 1922 5 12.1000 1922 6 12.7500 1922 7 11.9400 1922 8 13.4200 1922 9 14.7500 1922 10 16.5300 1922 11 15.6000 1922 12 14.6500 1923 1 15.1900 1923 2 13.1500 1923 3 15.7000 1923 4 15.4600 1923 5 16.1700 1923 6 15.3600 1923 7 15.3300 1923 8 15.9100 1923 9 15.4600 1923 10 16.5700 1923 11 14.9900 1923 12 13.2100 1924 1 13.2600 1924 2 13.9800 1924 3 14.4000 1924 4 12.7400 1924 5 13.4100 1924 6 12.6500 1924 7 13.1900 1924 8 14.3300 1924 9 15.4600 1924 10 16.9500 1924 11 14.9300 1924 12 14.2900 1925 1 14.3600 1925 2 13.1600 1925 3 13.7400 1925 4 13.0900 1925 5 14.3000 1925 6 14.1600 1925 7 14.8300 1925 8 16.1100 1925 9 16.1600 1925 10 17.0500 1925 11 15.7900 1925 12 14.8500 1926 1 14.3100 1926 2 13.5600 1926 3 15.0700 1926 4 14.0300 1926 5 15.2300 1926 6 15.2700 1926 7 16.1900 1926 8 16.9200 1926 9 17.1900 1926 10 18.5100 1926 11 16.9700 1926 12 15.3200 1927 1 14.5900 1927 2 14.1000 1927 3 15.8600 1927 4 14.1200 1927 5 15.3100 1927 6 14.8000 1927 7 14.6100 1927 8 16.1500 1927 9 16.4800 1927 10 17.6400 1927 11 14.5700 1927 12 13.3700 1928 1 13.7700 1928 2 13.7500 1928 3 15.1900 1928 4 13.8000 1928 5 15.3900 1928 6 14.5300 1928 7 15.1800 1928 8 16.5400 1928 9 17.0200 1928 10 19.3000 1928 11 16.6500 1928 12 14.9400 1929 1 15.2400 1929 2 15.0300 1929 3 15.6300 1929 4 15.1800 1929 5 16.4000 1929 6 15.8100 1929 7 16.4300 1929 8 17.6000 1929 9 17.3200 1929 10 18.8600 1929 11 15.1900 1929 12 14.0900 1930 1 14.1500 1930 2 13.4200 1930 3 13.6100 1930 4 13.5500 1930 5 14.2400 1930 6 13.4500 1930 7 14.0000 1930 8 14.7200 1930 9 14.5400 1930 10 15.7000 1930 11 12.8500 1930 12 11.6100 1931 1 11.9100 1931 2 10.7400 1931 3 11.9400 1931 4 11.4400 1931 5 11.8800 1931 6 11.4600 1931 7 12.3500 1931 8 12.0600 1931 9 11.6100 1931 10 12.5100 1931 11 10.4500 1931 12 9.43000 1932 1 9.35000 1932 2 9.05000 1932 3 9.87000 1932 4 8.87000 1932 5 8.38000 1932 6 7.93000 1932 7 8.11000 1932 8 8.63000 1932 9 10.0400 1932 10 11.7000 1932 11 9.71000 1932 12 9.41000 1933 1 8.89000 1933 2 8.62000 1933 3 8.70000 1933 4 8.97000 1933 5 10.0900 1933 6 11.0900 1933 7 12.4600 1933 8 12.4800 1933 9 12.3300 1933 10 12.5300 1933 11 11.4500 1933 12 10.5600 1934 1 11.4400 1934 2 11.1600 1934 3 13.3100 1934 4 11.2400 1934 5 11.2300 1934 6 12.2900 1934 7 11.8700 1934 8 12.4000 1934 9 12.7200 1934 10 13.2800 1934 11 11.9700 1934 12 11.6600 1935 1 12.5300 1935 2 12.2200 1935 3 13.8100 1935 4 12.0000 1935 5 12.5000 1935 6 13.1400 1935 7 11.8300 1935 8 13.2800 1935 9 14.4300 1935 10 16.1800 1935 11 14.3000 1935 12 13.6100 1936 1 14.5400 1936 2 15.3800 1936 3 14.7800 1936 4 14.7400 1936 5 15.7900 1936 6 15.4500 1936 7 16.6800 1936 8 17.1800 1936 9 17.6900 1936 10 19.7700 1936 11 17.9700 1936 12 17.9300 1937 1 17.0400 1937 2 16.4200 1937 3 18.9000 1937 4 16.6800 1937 5 17.6300 1937 6 16.6200 1937 7 17.3600 1937 8 17.3900 1937 9 18.0800 1937 10 18.9800 1937 11 15.1200 1937 12 14.0200 1938 1 13.5300 1938 2 12.1200 1938 3 13.6500 1938 4 12.0200 1938 5 12.6100 1938 6 12.8800 1938 7 14.1300 1938 8 14.9700 1938 9 15.7900 1938 10 17.7300 1938 11 15.5600 1938 12 15.2500 1939 1 15.2900 1939 2 13.8500 1939 3 15.6000 1939 4 13.0000 1939 5 14.0900 1939 6 15.7200 1939 7 16.5700 1939 8 17.4300 1939 9 20.0500 1939 10 22.0900 1939 11 19.0600 1939 12 16.8000 1940 1 17.4100 1940 2 15.9800 1940 3 16.6900 1940 4 16.2500 1940 5 17.9700 1940 6 17.8400 1940 7 18.4200 1940 8 19.6800 1940 9 19.9300 1940 10 20.7900 1940 11 19.0500 1940 12 18.5300 1941 1 18.8600 1941 2 17.8200 1941 3 21.1700 1941 4 16.3800 1941 5 22.3200 1941 6 22.5700 1941 7 23.5500 1941 8 24.8200 1941 9 23.9500 1941 10 25.6200 1941 11 22.7200 1941 12 21.8900 1942 1 22.5800 1942 2 21.3900 1942 3 25.2400 1942 4 25.8200 1942 5 27.7700 1942 6 27.4800 1942 7 28.9900 1942 8 29.7900 1942 9 29.2800 1942 10 31.1100 1942 11 28.5700 1942 12 27.5200 1943 1 27.4200 1943 2 27.2600 1943 3 30.8900 1943 4 . 1943 5 . 1943 6 29.2200 1943 7 32.1100 1943 8 32.4900 1943 9 . 1943 10 . 1943 11 . 1943 12 .