1948 08 99.99  16.62 -99.99 
1948 11 16.67   5.37  11.02 
1949 01  9.82    .38   5.10 
1949 02 10.61    .31   5.46 
1949 03 12.58   1.30   6.94 
1949 04 18.06   4.91  11.48 
1949 05 23.33  11.58  17.45 
1949 06 28.15  17.02  22.58 
1949 07 30.92  20.20  25.56 
1949 08 29.23  17.98  23.60 
1949 09 24.25  11.13  17.69 
1949 10 21.96  10.90  16.43 
1949 11 13.84   1.09   7.46 
1949 12  9.18  -1.08   4.05 
1950 01 13.02   2.09   7.56 
1950 02  6.86  -2.30   2.28 
1950 03 10.39  -1.61   4.39 
1950 04 17.07   3.57  10.32 
1950 05 22.51  11.61  17.06 
1950 06 27.53  15.54  21.53 
1950 07 27.99  16.94  22.46 
1950 08 29.15  16.58  22.86 
1950 09 22.95  13.51  18.23 
1950 10 20.08   8.49  14.28 
1950 11 13.61   1.23   7.42 
1950 12  4.56  -4.14    .21 
1951 01  7.68  -2.55   2.56 
1951 02  7.55  -3.24   2.15 
1951 03 12.05    .38   6.21 
1951 04 18.15   5.29  11.71 
1951 05 23.97  10.09  17.02 
1951 06 27.12  15.53  21.32 
1951 07 29.84  18.46  24.15 
1951 09 26.91  12.84  19.87 
1951 10 21.67   8.84  15.25 
1951 11 10.52   -.44   5.04 
1951 12  7.81  -1.36   3.22 
1952 01  8.03   -.94   3.54 
1952 02  8.76   -.42   4.17 
1952 04 18.94   6.85  12.89 
1952 05 22.81  10.65  16.73 
1952 06 30.31  16.71  23.51 
1952 07 31.38  19.02  25.20 
1952 08 28.62  16.95  22.78 
1952 09 26.11  12.35  19.23 
1953 01  7.64  -1.02   3.31 
