1951 06 -99.99   0.62 -99.99 
1951 08  21.12   3.58  12.35 
1951 09  16.51   0.00   8.25 
1951 10   5.68  -4.96   0.35 
1951 11   0.24 -10.77  -5.26 
1952 01  -4.46 -15.50  -9.97 
1952 02  -1.74 -16.00  -8.87 
1952 03   0.34 -14.18  -6.92 
1952 04  10.25  -5.95   2.15 
1952 05  13.08   -.39   6.34 
1952 06  17.57   2.66  10.11 
1952 07  23.48   4.41  13.94 
1952 08  23.28   4.77  14.02 
1952 09  20.23   1.53  10.88 
1952 10  14.41  -2.22   6.09 
1952 11   0.02 -12.28  -6.12 
1952 12  -2.13 -11.40  -6.76 
1953 01   0.95  -7.30  -3.17 
1953 02  -1.74 -12.96  -7.35 
1953 03   3.02 -10.84  -3.91 
1953 04   5.76  -7.59   -.91 
1953 05   8.02  -3.56   2.23 
1953 06  15.24   0.97   8.10 
1953 07  26.30   6.17  16.23 
1953 08  23.25   5.32  14.28 
1953 09  20.28   1.60  10.94 
1953 10  11.56  -2.36   4.59 
1953 11   4.08  -6.40  -1.16 
1953 12  -2.04 -12.76  -7.40 
1954 01  -2.52 -12.07  -7.29 
1954 02   1.36 -10.88  -4.76 
1954 03   0.16 -13.46  -6.65 
1954 04   7.56  -6.00   0.78 
1954 05  14.27  -1.44   6.41 
1954 06  13.77   0.75   7.26 
1954 07  24.43   6.14  15.28 
1954 08  21.10   3.57  12.33 
1954 09  17.90   0.05   8.97 
1954 10   8.85  -5.09   1.88 
1954 11   5.90  -5.32   0.28 
1954 12  -3.64 -14.94  -9.29 
1955 01  -4.63 -15.89 -10.26 
1955 02  -4.50 -17.10 -10.80 
1955 03  -1.68 -16.04  -8.86 
1955 04   3.66  -8.93  -2.64 
1955 05  11.00  -2.25   4.37 
1955 06  16.87   1.77   9.32 
1955 07  20.34   4.71  12.52 
1955 08  25.96   5.00  15.48 
1955 09  16.64   0.44   8.54 
1955 10  10.29  -4.26   3.01 
1955 11  -1.56 -13.11  -7.33 
1955 12  -2.66 -14.63  -8.64 
1956 01  -2.89 -15.03  -8.96 
1956 02  -5.44 -16.75 -11.09 
1956 03   1.45 -13.02  -5.78 
1956 04   7.69  -5.69   1.00 
1956 05  13.17   -.45   6.36 
1956 06  18.95   1.90  10.42 
1956 07  24.27   5.52  14.89 
1956 08  20.90   3.25  12.07 
1956 09  18.61   0.06   9.33 
1956 10   8.08  -3.44   2.32 
1956 11   -.92 -11.71  -6.31 
1956 12  -1.63 -12.07  -6.85 
1957 01  -7.44 -18.83 -13.13 
1957 02   0.43 -11.38  -5.47 
1957 03   2.50  -9.97  -3.73 
1957 04   5.00  -5.23   -.11 
1957 05  12.56   1.04   6.80 
1957 06  17.31   2.99  10.14 
1957 07  24.82   5.91  15.36 
1957 08  24.51   5.50  15.00 
1957 09  17.76   0.62   9.19 
1957 10   7.90  -2.57   2.66 
1957 11   -.18 -10.55  -5.36 
1957 12  -1.07 -10.63  -5.85 
1958 01  -3.06 -13.37  -8.21 
1958 02   1.80  -8.14  -3.17 
1958 03   0.33 -11.93  -5.80 
1958 04   4.48  -6.59  -1.05 
1958 05  17.09   1.55   9.32 
1958 06  16.79   4.38  10.59 
1958 07  21.45   5.86  13.65 
1958 08  24.79   6.89  15.84 
1958 09  17.24   0.90   9.07 
1958 10  12.26  -3.43   4.41 
1958 11   1.11  -8.97  -3.93 
1958 12   0.29  -9.72  -4.71 
1959 01  -1.62 -12.57  -7.09 
1959 02  -1.28 -12.88  -7.08 
1959 03   3.15 -12.65  -4.75 
1959 04   8.59  -5.39   1.60 
1959 05   9.77  -2.35   3.70 
1959 06  19.68   3.89  11.78 
1959 07  24.78   4.44  14.61 
1959 08  23.41   4.07  13.74 
1959 09  15.23   0.76   7.99 
1959 10   7.74  -3.73   2.00 
1959 11   2.84 -10.85  -4.00 
1959 12   -.87 -13.14  -7.00 
1960 01  -4.28 -15.07  -9.67 
1960 02  -2.87 -15.16  -9.01 
1960 03   3.46 -10.36  -3.44 
1960 04   7.67  -5.35   1.16 
