1921 1 63.3000 1921 2 71.4000 1921 3 64.7000 1921 4 62.7000 1921 5 68.7000 1921 6 73.8000 1921 7 79.5000 1921 8 68.1000 1921 9 68.1000 1921 10 64.7000 1921 11 63.7000 1921 12 69.7000 1922 1 64.3000 1922 2 63.0000 1922 3 65.3000 1922 4 63.0000 1922 5 64.7000 1922 6 67.4000 1922 7 65.5000 1922 8 67.5000 1922 9 69.2000 1922 10 68.0000 1922 11 77.8000 1922 12 77.4000 1923 1 78.4000 1923 2 76.7000 1923 3 79.0000 1923 4 76.5000 1923 5 79.2000 1923 6 79.0000 1923 7 74.7000 1923 8 74.7000 1923 9 67.8000 1923 10 69.3000 1923 11 70.1000 1923 12 63.0000 1924 1 68.0000 1924 2 67.5000 1924 3 64.0000 1924 4 66.5000 1924 5 65.5000 1924 6 63.0000 1924 7 61.2000 1924 8 61.2000 1924 9 65.0000 1924 10 68.2000 1924 11 66.5000 1924 12 68.3000 1925 1 68.9000 1925 2 68.1000 1925 3 68.1000 1925 4 73.0000 1925 5 70.2000 1925 6 66.8000 1925 7 70.9000 1925 8 67.8000 1925 9 70.2000 1925 10 70.2000 1925 11 66.6000 1925 12 70.4000 1926 1 64.8000 1926 2 66.8000 1926 3 68.6000 1926 4 66.8000 1926 5 65.8000 1926 6 70.4000 1926 7 68.6000 1926 8 67.1000 1926 9 71.6000 1926 10 69.8000 1926 11 71.8000 1926 12 74.3000 1927 1 67.5000 1927 2 69.8000 1927 3 71.2000 1927 4 70.4000 1927 5 71.4000 1927 6 74.8000 1927 7 74.0000 1927 8 77.8000 1927 9 77.2000 1927 10 72.3000 1927 11 73.6000 1927 12 74.4000 1928 1 76.9000 1928 2 82.0000 1928 3 79.9000 1928 4 72.6000 1928 5 79.2000 1928 6 79.2000 1928 7 78.6000 1928 8 81.1000 1928 9 72.9000 1928 10 78.3000 1928 11 78.2000 1928 12 72.9000 1929 1 79.9000 1929 2 75.4000 1929 3 74.4000 1929 4 74.9000 1929 5 81.3000 1929 6 75.6000 1929 7 78.4000 1929 8 77.9000 1929 9 75.8000 1929 10 82.2000 1929 11 81.1000 1929 12 74.2000 1930 1 75.3000 1930 2 67.4000 1930 3 65.2000 1930 4 68.4000 1930 5 62.2000 1930 6 59.0000 1930 7 58.1000 1930 8 55.0000 1930 9 57.3000 1930 10 56.2000 1930 11 51.0000 1930 12 53.1000 1931 1 51.0000 1931 2 54.4000 1931 3 58.2000 1931 4 60.4000 1931 5 59.3000 1931 6 57.5000 1931 7 58.1000 1931 8 56.0000 1931 9 53.5000 1931 10 44.6000 1931 11 44.1000 1931 12 49.8000