1950 06 20.64  12.14  16.39 
1950 07 23.26  14.69  18.97 
1950 08 23.62  14.47  19.04 
1950 09 19.45  10.84  15.15 
1950 10 15.95   7.00  11.47 
1950 11  6.59  -1.01   2.79 
1950 12   .44  -7.31  -3.43 
1951 01   .-3  -6.64  -3.33 
1951 02  -.12  -7.32  -3.72 
1951 03  3.75  -2.22    .76 
1951 04  9.64   2.51   6.08 
1951 05 17.43   7.64  12.53 
1951 06 21.77  12.91  17.34 
1951 07 24.65  15.79  20.21 
1951 08 24.09  13.79  18.94 
1951 09 20.66  10.63  15.64 
1951 10 15.74   6.61  11.17 
1951 11  4.89  -2.70   1.09 
1951 12  1.92  -5.82  -1.95 
1952 01   .89  -5.88  -2.49 
1952 02   .71  -6.42  -2.85 
1952 03  3.34  -3.19    . 7 
1952 04 11.40   2.81   7.10 
1952 05 15.59   6.15  10.87 
1952 06 22.87  13.78  18.32 
1952 07 26.56  17.10  21.83 
1952 08 25.07  14.47  19.77 
1952 09 21.68  10.79  16.23 
1952 10 13.18   2.41   7.79 
1952 11  9.28   1.31   5.29 
1952 12  3.51  -1.32   1.09 
1953 01  1.70  -4.05  -1.17 
1953 02  1.38  -4.05  -1.33 
1953 03  4.76  -1.74   1.51 
1953 04 99.99   1.65 -99.99 
1953 05 15.53   7.80  11.66 
1953 06 21.88  13.50  17.68 
1953 07 99.99  15.19 -99.99 
1953 08 25.50  15.03  20.26 
1953 09 21.92  10.78  16.35 
1953 10 16.95   5.17  11.06 
1953 11  9.02   1.17   5.10 
1953 12  4.39  -2.11   1.13 
1954 01 -1.17  -9.03  -5.10 
1954 02  2.53  -4.36   -.91 
1954 03  2.07  -4.82  -1.37 
1954 04 11.37   1.73   6.55 
1954 05 15.26   5.29  10.27 
1954 06 22.57  14.15  18.36 
1954 07 24.25 -99.99 -99.99 
1954 08 23.33  13.06  18.19 
1954 09 20.93  11.12  16.02 
1954 10 15.32   7.21  11.26 
1954 11  8.20   1.31   4.75 
1954 12 99.99  -4.66 -99.99 
1955 01 -1.79  -6.67  -4.23 
1955 02 -1.16  -7.13  -4.14 
1955 03  2.51  -3.30   -.39 
1955 04 12.36   4.46   8.41 
1955 05 17.61   8.68  13.14 
1955 06 22.32  12.51  17.41 
1955 07 27.65  18.71  23.18 
1955 08 26.33  18.48  22.40 
1955 09 21.55  11.01  16.27 
1955 10 15.70   7.94  11.82 
1955 11  6.77   -.25   3.26 
1955 12   . 3  -6.03  -3.00 
1956 01  -.95  -7.43  -4.19 
1956 02   . 9  -6.54  -3.22 
1956 03  2.02  -5.10  -1.54 
1956 04  8.58    .89   4.73 
1956 05 14.07   6.00  10.03 
1956 06 21.30  13.04  17.17 
1956 07 23.39  15.68  19.53 
1956 08 23.48  15.78  19.62 
1956 09 18.76   8.67  13.71 
1956 10 16.89   6.97  11.92 
1956 11  8.47   1.00   4.73 
1956 12  3.82  -1.77   1.02 
1957 01 -3.21 -11.13  -7.17 
1957 02   .86  -6.92  -3.03 
1957 03  4.51  -2.09   1.20 
1957 04 10.79   3.46   7.12 
1957 05 14.80   6.76  10.78 
1957 06 22.24  14.43  18.33 
1957 07 23.87  15.53  19.70 
1957 08 23.24  14.20  18.71 
1957 09 20.36  11.69  16.02 
1957 10 14.31   4.73   9.52 
1957 11  8.26   1.88   5.07 
1957 12  3.94  -2.90    .52 
1958 01  -.91  -6.73  -3.82 
1958 02 -3.57 -10.74  -7.15 
1958 03  3.90  -1.81   1.04 
1958 04 11.57   2.28   6.92 
1958 05 16.21   5.51  10.86 
1958 06 19.62  10.69  15.15 
1958 07 23.82  16.20  20.01 
1958 08 24.13  14.25  19.18 
1958 09 20.44  12.05  16.24 
1958 10 15.00   6.84  10.92 
1958 11  8.74   1.90   5.32 
1958 12 -1.85  -9.77  -5.81 
1959 01 -2.72 -10.58  -6.65 
1959 02 -1.26  -8.53  -4.89 
1959 03  2.53  -5.47  -1.46 
1959 04  9.80   2.28   6.04 
1959 05 17.90   8.93  13.42 
1959 06 22.60  13.15  17.87 
1959 07 25.57  16.12  20.84 
1959 08 26.83  18.87  22.85 
1959 09 22.61  13.86  18.23 
1959 10 14.50   7.15  10.82 
1959 11  6.20   -.98   2.61 
1959 12  2.67  -2.11    .27 
1960 01  -.21  -5.90  -3.05 
1960 02  -.62  -6.30  -3.46 
1960 03 -1.22  -9.64  -5.43 
1960 04 10.46   2.48   6.47 
1960 05 16.35   8.64  12.49 
1960 06 21.09  12.78  16.93 
1960 07 23.47  14.71  19.09 
1960 08 24.46  15.62  20.03 
1960 09 22.74  13.88  18.31 
1960 10 15.71   5.39  10.55 
1960 11  9.54   2.89   6.21 
1960 12  -.58  -6.82  -3.70 
1961 01 -3.33 -10.02  -6.67 
1961 02  1.03  -6.43  -2.69 
1961 03  4.29  -1.83   1.23 
1961 04  7.43   1.16   4.29 
1961 05 14.81   6.25  10.53 
