1931 01 14.31   9.81  12.06 
1931 03 99.99  12.13 -99.99 
1931 04 99.99  12.27 -99.99 
1931 05 99.99  15.67 -99.99 
1931 08 31.96  22.34  27.15 
1931 09 25.23  18.92  22.07 
1931 10 22.35  16.90  19.62 
1931 11 17.90  13.52  15.71 
1931 12 12.57   8.38  10.47 
1932 01 12.64   8.85  10.75 
1932 02 11.50   6.78   9.14 
1932 03 16.93  10.43  13.68 
1932 04 19.04  10.85  14.94 
1932 05 23.63  14.63  19.12 
1932 06 24.69  16.96  20.83 
1932 07 27.47  18.67  23.07 
1932 08 31.53  21.76  26.64 
1932 09 28.11  20.25  24.18 
1932 10 22.64  16.50  19.57 
1932 11 17.59  12.14  14.86 
1932 12 15.41  10.90  13.15 
1933 02 14.24   8.32  11.28 
1933 03 15.58   9.60  12.59 
1933 04 19.75  12.13  15.94 
1933 05 22.90  14.81  18.85 
1933 06 25.11  17.39  21.25 
1933 07 28.32  20.65  24.48 
1933 08 28.89  22.30  25.59 
1933 09 29.04  22.45  25.74 
1933 10 25.67  19.53  22.60 
1933 11 16.25  12.28  14.26 
1933 12 13.14   9.07  11.10 
1934 01 11.11   8.52   9.81 
1934 02 12.83   8.52  10.67 
1934 03 13.78   9.04  11.41 
1934 04 18.93  12.21  15.57 
1934 05 21.63  15.70  18.66 
1934 06 26.73  19.10  22.91 
1934 07 30.14  22.33  26.23 
1934 08 29.07  22.19  25.63 
1934 09 26.37  20.97  23.67 
1934 10 21.07  16.45  18.76 
1934 11 17.48  13.22  15.35 
1934 12 16.14  11.70  13.92 
1935 01 10.38   6.87   8.62 
1935 02 13.72   8.96  11.34 
1935 03 14.97  10.10  12.53 
1935 04 20.44  12.37  16.40 
1935 05 20.37  13.58  16.97 
1935 06 28.77  19.86  24.31 
1935 07 30.45  22.29  26.37 
1935 08 30.29  22.71  26.50 
1935 09 27.28  21.03  24.15 
1935 10 21.90  16.83  19.36 
1935 11 17.77  13.20  15.48 
1935 12 15.43  10.97  13.20 
1936 01 16.00  11.10  13.55 
1936 02 16.95  10.79  13.87 
1936 03 16.76  10.66  13.71 
1936 04 20.77  12.59  16.68 
1936 05 20.32  13.48  16.90 
1936 06 26.63  17.50  22.06 
1936 07 32.71  22.34  27.52 
1936 11 15.88  13.69  14.78 
1936 12 99.99  10.66 -99.99 
1937 05 20.57  16.37  18.47 
1937 06 24.83  20.29  22.56 
1937 07 28.90  23.00  25.95 
1937 08 29.06  23.87  26.46 
1937 09 26.22  20.37  23.29 
1937 10 22.41  17.32  19.86 
1937 11 20.50  15.96  18.23 
1938 01 12.60   8.00  10.30 
1938 02 11.04   5.77   8.40 
1938 03 13.73   8.77  11.25 
1938 04 15.23  11.20  13.21 
1938 05 18.52  13.42  15.97 
1938 06 28.53  20.34  24.43 
1938 07 30.90  21.58  26.24 
1938 08 29.33  22.30  25.81 
1938 09 26.93  20.14  23.53 
1938 10 23.37  17.52  20.44 
1938 11 18.27  14.30  16.28 
1938 12 14.85  10.68  12.76 
