1951 12 -4.80 -14.33  -9.56 
1952 01 -2.79 -12.23  -7.51 
1952 02  3.98  -6.15  -1.08 
1952 03  8.67  -5.15   1.76 
1952 11  3.44  -7.78  -2.17 
1952 12   . 5  -5.57  -2.76 
1953 01  4.01  -3.37    .32 
1953 02  5.74  -5.45    .14 
1953 03 11.01  -3.24   3.88 
1953 04 13.55  -1.15   6.20 
1953 05 22.33   2.69  12.51 
1953 06 23.15   7.48  15.31 
1953 07 33.11   7.86  20.48 
1953 08 31.67   9.78  20.72 
1953 09 25.32   4.02  14.67 
1953 10 16.65  -3.01   6.82 
1953 11  5.72  -2.60   1.56 
1953 12  3.05  -3.78   -.36 
1954 01 -4.61 -13.37  -8.99 
1954 02  4.25  -4.65   -.20 
1954 03  5.81  -8.16  -1.17 
1954 04 11.78  -1.59   5.09 
1954 05 21.06   1.77  11.41 
1954 06 20.97   4.46  12.71 
1954 07 27.93   6.93  17.43 
1954 08 24.54   6.52  15.53 
1954 09 20.01   3.96  11.98 
1954 10 12.65  -2.46   5.09 
1954 11  8.14   -.16   3.99 
1954 12   .23  -6.53  -3.15 
1955 01  -.21  -7.25  -3.73 
1955 02   .24 -10.50  -5.13 
1955 03  3.46  -8.26  -2.40 
1955 04 11.02  -1.85   4.58 
1955 05 17.37   1.46   9.41 
1955 06 26.43   6.16  16.29 
1955 07 28.17  10.04  19.10 
1955 08 31.21   4.71  17.95 
1955 09 23.22   2.79  13.00 
1955 10 13.53   1.07   7.30 
1955 11  -.49  -9.17  -4.83 
1955 12 -2.15 -10.88  -6.51 
1956 01 -1.01  -8.80  -4.90 
1956 02   .18 -11.61  -5.71 
1956 03  7.94  -4.16   1.89 
1956 04 17.52   -.29   8.61 
1956 05 22.54   4.14  13.34 
1956 06 24.08   6.85  15.46 
1956 07 30.00   9.43  19.71 
1956 08 28.82   8.14  18.48 
1956 09 23.73   3.09  13.41 
1956 10 11.85    .29   6.07 
1956 11  1.26  -5.54  -2.13 
1956 12   .51  -6.65  -3.07 
1957 01 -8.55 -18.62 -13.59 
1957 02   .95 -10.63  -4.84 
1957 03  7.42  -4.69   1.36 
1957 04 14.26    .-8   7.09 
1957 05 23.67   5.39  14.53 
1957 06 25.05   9.14  17.09 
1957 07 29.58   8.89  19.24 
1957 08 26.90   6.51  16.70 
1957 09 25.33   3.35  14.34 
1957 10 10.26   -.30   4.98 
1957 11  5.67  -4.61    .52 
1957 12  2.96  -4.55   -.79 
1958 01  2.02  -4.62  -1.30 
1958 02  5.58  -3.58   1.00 
1958 03  9.25  -4.03   2.61 
1958 04 13.93    . 2   6.97 
1958 05 26.89   5.91  16.40 
1958 06 27.04   8.56  17.80 
1958 07 29.99   9.47  19.73 
1958 08 33.18  10.21  21.69 
1958 09 23.22   4.65  13.93 
1958 10 15.78  -1.01   7.38 
1958 11  3.25  -6.13  -1.44 
1958 12  1.28  -6.70  -2.71 
1959 01   . 0  -8.22  -4.11 
1959 02   .98 -10.75  -4.88 
1959 03  9.14  -2.51   3.31 
1959 04 16.00   -.52   7.73 
1959 05 18.45   2.11  10.28 
1959 06 25.07   7.34  16.20 
1959 07 31.49   8.01  19.75 
1959 08 26.12   7.29  16.70 
1959 09 19.00   5.51  12.25 
1959 10 12.64    .85   6.74 
1959 11  1.39  -9.10  -3.86 
1959 12  1.10  -6.65  -2.77 
1960 01 -4.38 -14.66  -9.52 
1960 02  2.10  -9.08  -3.48 
1960 03  8.50  -5.76   1.36 
1960 04 14.70   -.62   7.04 
1960 05 18.43   3.12  10.77 
