1951 08 99.99  10.61 -99.99 
1951 09 99.99   4.83 -99.99 
1951 10  8.30   -.45   3.92 
1951 11 -2.90 -11.25  -7.07 
1951 12 11.78 -18.58 -15.18 
1952 01 13.65 -23.50 -18.57 
1952 02 -5.96 -14.88 -10.42 
1952 03 -3.13 -12.57  -7.85 
1952 04 16.39    .84   8.61 
1952 05 18.75   4.11  11.43 
1952 06 22.63  10.64  16.63 
1952 07 25.09  12.24  18.66 
1952 08 24.91  11.19  18.04 
1952 09 21.14   6.87  14.00 
1952 10 11.58   -.97   5.30 
1952 11  2.76  -6.65  -1.94 
1952 12 -4.00 -12.40  -8.20 
1953 01 10.79 -18.64 -14.71 
1953 02 -7.43 -19.29 -13.36 
1953 03 -2.23 -12.68  -7.45 
1953 04  6.19  -3.32   1.43 
1953 05 16.03   4.35  10.19 
1953 06 21.94  10.40  16.17 
1953 07 24.97  12.03  18.50 
1953 08 26.59  11.47  19.03 
1953 09 18.59   5.94  12.26 
1953 10 16.20   2.78   9.49 
1953 11  4.88  -4.61    .13 
1953 12 -5.00 -14.47  -9.73 
1954 01 17.85 -28.03 -22.94 
1954 02 -1.05 -10.25  -5.65 
1954 03 -2.65 -12.90  -7.77 
1954 04  4.39  -5.37   -.49 
1954 05 12.81   2.17   7.49 
1954 06 21.15  10.13  15.64 
1954 07 25.82  14.17  19.99 
1954 08 22.98  12.10  17.54 
1954 09 16.07   6.91  11.49 
1954 10 11.38   1.01   6.19 
1954 11  4.01  -3.82    . 9 
1954 12 -2.71 -10.54  -6.62 
1955 01 12.14 -21.42 -16.78 
1955 02 11.66 -21.96 -16.81 
1955 03 -7.33 -19.85 -13.59 
1955 04 12.99   2.09   7.54 
1955 05 17.53   6.60  12.06 
1955 06 22.35  11.97  17.16 
1955 07 26.70  15.22  20.96 
1955 08 27.46  13.46  20.45 
1955 09 18.24   5.67  11.95 
1955 10 13.10    .13   6.61 
1955 11 -6.20 -13.48  -9.84 
1955 12 14.14 -23.54 -18.84 
1956 01 12.81 -22.80 -17.80 
1956 02 -9.88 -22.17 -16.02 
1956 03 -4.81 -16.29 -10.55 
1956 04  3.22  -6.15  -1.46 
1956 05 14.53   2.41   8.47 
1956 06 25.57  13.07  19.32 
1956 07 23.53  12.28  17.90 
1956 08 24.63  11.03  17.83 
1956 09 16.31   3.96  10.13 
1956 10 13.45   1.40   7.42 
1956 11  1.04  -6.56  -2.75 
1956 12 -8.33 -18.19 -13.26 
1957 01 14.56 -25.48 -20.02 
1957 02 -9.14 -20.69 -14.92 
1957 03 -1.22 -11.05  -6.13 
1957 04  8.09  -1.21   3.44 
1957 05 19.12   5.23  12.17 
1957 06 19.95   8.74  14.34 
1957 07 28.51  14.76  21.63 
1957 08 23.59  12.09  17.84 
1957 09 16.96   6.27  11.62 
1957 10 11.98   1.29   6.63 
1957 11   .34  -7.59  -3.62 
1957 12 -5.42 -15.29 -10.35 
1958 01 -6.76 -16.00 -11.38 
1958 02 10.39 -20.18 -15.28 
1958 03   .79  -8.04  -3.62 
1958 04 11.22   -.76   5.23 
1958 05 19.73   3.93  11.83 
1958 06 20.65   7.22  13.93 
1958 07 24.41  12.37  18.39 
1958 08 23.79  11.87  17.83 
1958 09 18.20   6.73  12.46 
1958 10 13.04   1.58   7.31 
1958 11   . 8  -8.60  -4.26 
1958 12 11.11 -20.72 -15.91 
1959 01 15.25 -24.84 -20.04 
1959 02 -9.70 -21.28 -15.49 
1959 03   .38  -8.81  -4.21 
1959 04  8.88  -1.96   3.46 
