1951 06 99.99   8.26 -99.99 
1951 07 32.74  13.39  23.06 
1951 08 28.32  11.67  19.99 
1951 09 25.37   7.02  16.19 
1951 10 16.31   1.31   8.80 
1951 11  6.92  -6.03    .44 
1951 12   .75 -10.62  -4.93 
1952 01  1.70  -9.31  -3.80 
1952 02  2.80  -9.28  -3.23 
1952 03  3.91  -7.76  -1.92 
1952 04 14.97    .49   7.73 
1952 05 21.54   4.55  13.04 
1952 06 27.02   9.07  18.04 
1952 07 30.32  11.85  21.08 
1952 08 30.02  11.65  20.83 
1952 09 26.33   7.61  16.96 
1952 10 22.10   2.43  12.26 
1952 11  6.21  -7.87   -.82 
1952 12  2.08 -10.12  -4.02 
1953 01  4.69  -7.59  -1.44 
1953 02  3.36  -9.05  -2.84 
1953 03  9.88  -4.87   2.50 
1953 04 13.83  -2.22   5.80 
1953 05 17.53   1.74   9.63 
1953 06 28.64   8.39  18.52 
1953 07 30.64  12.28  21.46 
1953 08 27.32   9.54  18.43 
1953 09 26.78   7.20  16.99 
1953 10 17.02   2.79   9.90 
1953 11 10.14  -2.02   4.06 
1953 12  2.01  -8.85  -3.42 
1954 01  4.69  -6.52   -.91 
1954 02  9.12  -2.75   3.18 
1954 03  7.87  -4.21   1.82 
1954 04 18.65   2.61  10.63 
1954 05 22.34   5.57  13.95 
1954 06 26.65   8.97  17.81 
1954 07 31.17  13.33  22.25 
1954 08 28.92  10.79  19.85 
1954 09 24.26   8.85  16.55 
1954 10 18.48   3.02  10.75 
1954 11 12.51  -2.02   5.24 
1954 12  2.84  -9.39  -3.27 
1955 01  1.14 -11.62  -5.24 
1955 02   .54 -12.38  -5.92 
1955 03  7.65  -5.62   1.01 
1955 04 12.97  -1.97   5.50 
1955 05 19.45   2.72  11.08 
1955 06 25.03   7.40  16.21 
1955 07 30.49  11.37  20.93 
1955 08 29.50  11.94  20.72 
1955 09 26.44   7.58  17.01 
1955 10 19.89   2.56  11.22 
1955 11  8.50  -5.07   1.71 
1955 12  5.38  -7.20   -.90 
1956 01  6.00  -5.70    .15 
1956 02  2.80  -9.51  -3.35 
1956 03 10.33  -5.30   2.51 
1956 04 14.63  -1.49   6.57 
1956 05 22.60   4.58  13.59 
1956 06 29.11   9.54  19.32 
1956 07 30.40  10.75  20.57 
1956 08 28.08   9.28  18.68 
1956 09 27.70   7.64  17.67 
1956 10 18.44   1.35   9.89 
1956 11  7.22  -7.12    . 4 
1956 12  3.38  -9.72  -3.17 
