1929 11 29.40  20.40  24.90 
1929 12 30.50  21.50  26.00 
1930 01 31.80  22.40  27.09 
1930 02 31.50  22.10  26.80 
1930 03 32.20  22.40  27.30 
1930 04 31.90  22.60  27.25 
1930 05 31.20  22.60  26.90 
1930 06 29.20  20.80  25.00 
1930 07 29.20  20.60  24.90 
1930 08 28.30  20.80  24.55 
1930 09 30.10  20.60  25.35 
1930 10 31.70  21.70  26.70 
1930 11 31.80  21.90  26.84 
1930 12 99.99  23.10 -99.99 
1931 02 31.50  23.20  27.35 
1931 03 31.80  23.80  27.80 
1931 04 32.30  24.00  28.15 
1931 05 31.40  23.30  27.34 
1931 06 29.30  21.80  25.55 
1931 07 27.90  21.00  24.45 
1931 08 28.40  20.50  24.45 
1931 09 28.60  20.50  24.55 
1931 10 28.50  20.90  24.70 
1931 11 30.20  21.80  26.00 
1931 12 32.20  22.40  27.30 
1932 01 31.80  24.00  27.90 
1932 02 31.90  23.20  27.55 
1932 03 32.30  23.90  28.09 
1932 04 31.80  24.40  28.09 
1932 05 30.90  24.00  27.45 
1932 06 29.20  22.70  25.95 
1932 07 28.70  22.20  25.45 
1932 08 27.30  21.70  24.50 
1932 09 28.70  21.90  25.30 
1932 10 27.70  21.40  24.55 
1932 11 29.10  21.70  25.40 
1932 12 31.10  22.90  27.00 
1933 01 30.50  23.20  26.85 
1933 02 31.20  23.40  27.30 
1933 03 31.00  23.50  27.25 
1933 04 31.10  24.10  27.60 
1933 05 29.80  23.30  26.55 
1933 06 27.40  22.10  24.75 
1933 07 27.00  20.80  23.90 
1933 08 26.00  19.90  22.95 
1933 09 26.00  20.40  23.20 
1933 10 25.70  20.20  22.95 
1933 11 26.70  20.40  23.55 
1933 12 29.30  21.60  25.45 
1934 01 29.80  21.80  25.80 
1934 02 30.00  22.10  26.05 
1934 04 30.20  22.20  26.20 
1934 05 29.30  22.10  25.70 
1934 06 27.70  21.30  24.50 
1934 07 26.90  20.80  23.84 
1934 08 26.50  20.60  23.55 
1934 09 26.50  20.40  23.45 
1934 10 25.70  19.60  22.65 
1934 11 24.50  17.79  21.15 
1934 12 22.90  15.20  19.04 
1935 10 25.40  21.20  23.30 
1936 01 25.40  16.50  20.95 
1936 02 25.20  16.90  21.05 
1936 03 26.80  16.79  21.80 
1936 04 26.50  16.90  21.70 
1936 05 24.00  16.60  20.29 
1936 06 22.40  15.30  18.85 
1936 07 26.80  19.90  23.34 
1936 08 26.00  19.40  22.70 
1936 09 26.60  19.10  22.85 
1936 10 28.20  21.00  24.60 
1936 11 28.50  21.20  24.85 
1936 12 30.30  21.40  25.84 
1937 01 31.50  22.20  26.85 
1937 02 31.30  23.10  27.20 
1937 03 31.00  22.60  26.80 
1937 04 31.00  22.80  26.90 
1937 05 28.90  21.50  25.20 
1937 06 26.50  20.80  23.65 
1937 08 27.00  20.10  23.55 
1937 10 26.20  19.70  22.95 
1937 11 26.90  19.60  23.25 
1937 12 29.50  20.90  25.20 
1938 01 31.70  21.90  26.80 
1938 02 31.10  21.80  26.45 
1938 03 31.30  22.30  26.80 
1938 04 31.60  22.60  27.10 
1938 05 29.80  21.50  25.65 
1938 06 27.40  21.20  24.30 
1938 07 26.60  20.29  23.45 
1938 08 26.60  20.10  23.35 
1938 09 27.70  20.40  24.05 
1938 10 26.20  20.29  23.25 
1938 11 28.50  20.50  24.50 
1938 12 30.00  21.80  25.90 
1939 01 29.90  22.60  26.25 
1939 02 29.90  23.00  26.45 
1939 03 30.50  23.10  26.80 
1939 04 31.20  23.00  27.10 
1939 05 30.80  23.10  26.95 
1939 06 29.90  22.60  26.25 
1939 07 28.40  21.60  25.00 
1939 08 28.50  20.80  24.65 
1939 09 27.90  21.30  24.59 
1939 10 28.10  21.10  24.60 
1939 11 29.90  21.30  25.59 
1939 12 31.50  22.10  26.80 
1940 01 31.20  22.40  26.80 
1940 02 31.70  22.60  27.15 
1940 03 31.60  22.40  27.00 
1940 04 31.90  23.00  27.45 
1940 05 31.50  22.80  27.15 
1940 06 30.20  22.40  26.30 
1940 07 28.00  20.90  24.45 
1940 08 27.80  20.80  24.30 
1940 09 27.70  21.30  24.50 
1940 10 27.80  21.60  24.70 
1940 11 29.80  22.20  26.00 
1940 12 31.50  23.10  27.30 
1941 01 31.40  22.80  27.09 
1941 02 31.80  23.60  27.70 
1941 03 32.00  23.60  27.80 
1941 04 32.20  23.60  27.90 
1941 05 31.30  23.80  27.55 
1941 06 30.00  22.40  26.20 
