1951 09 99.99   5.41 -99.99 
1951 10 99.99   -.10 -99.99 
1951 11  5.61   -.72   2.44 
1951 12  3.15  -3.90   -.37 
1952 01  1.49  -5.55  -2.03 
1952 02  2.99  -3.26   -.13 
1952 03  3.40  -4.27   -.43 
1952 04  5.24  -2.62   1.31 
1952 05  9.00    . 1   4.50 
1952 06 12.77   2.85   7.81 
1952 07 15.20   6.18  10.69 
1952 08 16.93   8.43  12.68 
1952 09 13.71   3.50   8.60 
1952 10  9.03   1.58   5.30 
1952 11  6.33    .54   3.43 
1952 12  1.75  -5.54  -1.89 
1953 02  3.62  -2.93    .34 
1953 03  2.92  -4.32   -.70 
1953 04  7.21  -1.02   3.09 
1953 05  9.10   1.76   5.43 
1953 07 17.43   7.49  12.46 
1953 08 17.00   8.87  12.93 
1953 09 13.35   4.77   9.06 
1953 10  7.81   -.67   3.57 
1953 11  5.01  -1.75   1.63 
1953 12  3.68  -1.86    .91 
1954 01  2.18  -5.14  -1.47 
1954 02   .68  -8.06  -3.69 
1954 03  4.30  -4.61   -.15 
1954 04  7.13  -2.55   2.29 
1954 05  9.62   2.03   5.82 
1954 06 12.57   4.09   8.33 
1954 07 16.94   6.68  11.81 
1954 09 14.95   5.48  10.21 
1955 04  5.41  -1.62   1.89 
1955 05  7.38   1.62   4.50 
1955 06 12.52   3.29   7.90 
1955 08 16.20   7.09  11.64 
1955 09 12.63 -99.99 -99.99 
1955 10  7.02 -99.99 -99.99 
1955 11  4.38  -5.11   -.36 
1955 12  2.21  -7.04  -2.41 
1956 01   .60  -7.97  -3.68 
1956 02  1.03  -7.30  -3.13 
1956 03  2.22  -4.59  -1.18 
1956 04  5.27  -1.58   1.84 
1956 05  7.34   2.19   4.76 
1956 06 12.75   3.25   8.00 
1956 07 15.87   7.32  11.59 
1956 08 17.24   7.98  12.61 
1956 09 12.53   5.27   8.89 
1956 10  6.86  -1.17   2.84 
1956 11  1.93  -5.29  -1.68 
1956 12  1.25  -5.51  -2.13 
1957 01  2.05  -4.17  -1.06 
1957 02  3.90  -5.05   -.57 
1957 03  4.10  -1.47   1.31 
1957 04  7.67   -.87   3.40 
1957 05 10.61   2.11   6.36 
1957 06 15.59   6.54  11.06 
1957 07 17.31   7.83  12.57 
1957 08 17.98   9.14  13.56 
1957 09 13.63   8.14  10.89 
1957 10 10.63   3.82   7.22 
1957 11  7.59   2.27   4.93 
1957 12  -.95  -7.56  -4.25 
1958 01  2.81  -2.34    .23 
1958 02  4.42    . 6   2.24 
1958 03  5.26  -1.41   1.92 
1958 04  8.89    .10   4.49 
1958 05 11.96   2.65   7.30 
1958 06 13.20   6.34   9.77 
1958 07 14.45   8.43  11.44 
1958 08 15.05   6.90  10.97 
1958 09 13.06   4.16   8.61 
1958 10  8.16   1.34   4.75 
1958 11  3.50  -3.22    .13 
1958 12  3.42  -1.39   1.01 
1959 01  3.24  -2.28    .48 
1959 02  4.57  -1.39   1.59 
1959 03   .89  -6.67  -2.89 
1959 04  6.62   -.74   2.94 
1959 05 11.20   2.76   6.98 
1959 06 16.31   5.86  11.08 
1959 07 15.41   7.66  11.53 
1959 08 17.87   7.76  12.81 
1959 09 13.60   4.77   9.18 
1959 10  9.47   1.01   5.24 
1959 11  6.51    .17   3.34 
1959 12  1.05  -7.30  -3.12 
1960 01  3.59  -2.36    .61 
1960 02  4.32  -2.04   1.14 
1960 03  3.78  -4.28   -.25 
1960 04  4.30  -2.30   1.00 
1960 05  9.89   3.02   6.45 
1960 06 13.35   4.61   8.98 
1960 07 15.65   7.88  11.76 
1960 08 16.20   7.41  11.81 
1960 09 12.75   3.72   8.23 
1960 10  8.96   1.87   5.41 
1960 11  5.05  -1.47   1.79 
1960 12  4.92   -.50   2.21 
1961 01  3.90  -1.71   1.09 
1961 02  2.11  -4.69  -1.29 
1961 03  1.84  -4.62  -1.38 
1961 04  6.43   -.23   3.10 
1961 05  9.75   2.75   6.25 
1961 06 14.50   5.86  10.18 
1961 07 15.90   8.29  12.09 
1961 08 15.48   7.71  11.59 
1961 09 13.96   5.20   9.58 
1961 10  7.18   -.76   3.21 
1961 11  4.03  -2.85    .59 
1961 12  -.56  -7.19  -3.87 
1962 01  1.65  -5.85  -2.09 
1962 02  4.23  -2.66    .78 
1962 03  3.65  -4.08   -.21 
1962 04  7.72  -1.16   3.27 
1962 05  9.88    .-5   4.91 
1962 06 15.25   2.87   9.05 
1962 07 15.73   5.12  10.42 
1962 08 17.94   5.84  11.89 
1962 09 12.24   1.85   7.04 
1962 10  8.17  -1.47   3.35 
1962 11  5.46  -2.65   1.40 
1962 12  3.00  -5.38  -1.19 
1963 01  3.53  -4.38   -.42 
1963 02  3.25  -4.71   -.73 
1963 03  6.05  -4.04   1.00 
1963 04  6.02  -3.23   1.39 
1963 05 10.73   2.49   6.60 
1963 06 12.85   4.96   8.91 
1963 07 17.28   7.97  12.62 
1963 08 17.42   7.85  12.63 
1963 09 14.10   7.98  11.04 
1963 10  8.81   1.03   4.92 
1963 11  3.16  -4.91   -.87 
1963 12  5.19    .49   2.84 
1964 01  2.86  -2.97    .-5 
1964 02  3.34  -4.44   -.55 
