1914 1 . 1914 2 . 1914 3 . 1914 4 . 1914 5 . 1914 6 98.9000 1914 7 95.9000 1914 8 92.9000 1914 9 94.9000 1914 10 94.9000 1914 11 93.9000 1914 12 92.9000 1915 1 91.9000 1915 2 92.9000 1915 3 93.9000 1915 4 93.9000 1915 5 94.9000 1915 6 95.9000 1915 7 94.9000 1915 8 95.9000 1915 9 98.9000 1915 10 100.800 1915 11 103.800 1915 12 105.900 1916 1 104.600 1916 2 107.400 1916 3 109.600 1916 4 109.000 1916 5 109.500 1916 6 110.000 1916 7 110.300 1916 8 110.000 1916 9 111.400 1916 10 112.900 1916 11 114.500 1916 12 115.100 1917 1 117.000 1917 2 117.500 1917 3 117.400 1917 4 115.000 1917 5 115.100 1917 6 114.800 1917 7 114.200 1917 8 112.700 1917 9 110.700 1917 10 113.200 1917 11 115.600 1917 12 117.200 1918 1 115.500 1918 2 114.700 1918 3 116.500 1918 4 115.000 1918 5 114.000 1918 6 113.400 1918 7 114.600 1918 8 114.500 1918 9 114.200 1918 10 111.500 1918 11 113.400 1918 12 113.500 1919 1 110.100 1919 2 103.200 1919 3 104.000 1919 4 103.600 1919 5 106.300 1919 6 108.700 1919 7 110.700 1919 8 109.900 1919 9 112.100 1919 10 106.800 1919 11 110.000 1919 12 113.200 1920 1 116.100 1920 2 115.600 1920 3 116.900 1920 4 117.100 1920 5 117.400 1920 6 . 1920 7 . 1920 8 . 1920 9 . 1920 10 . 1920 11 . 1920 12 .