1950 03  -2.45 -11.20  -6.82 
1950 06 -99.99   6.46 -99.99 
1950 07  24.95   9.60  17.27 
1950 08  20.62   8.56  14.59 
1950 09  18.96   4.04  11.50 
1951 01 -12.91 -22.81 -17.86 
1951 02  -9.47 -19.27 -14.37 
1951 03  -6.79 -18.49 -12.64 
1951 04   8.45  -5.29   1.58 
1951 05  18.08   3.76  10.92 
1951 06 -99.99   5.52 -99.99 
1951 07  25.90  10.37  18.13 
1951 08  22.11   8.68  15.40 
1951 09  16.01   2.84   9.42 
1951 10   7.69  -3.33   2.18 
1951 11   1.68  -8.64  -3.48 
1952 02  -3.04 -14.82  -8.93 
1952 03  -2.33 -14.31  -8.32 
1952 04  16.56   0.93   8.74 
1952 05  19.33   4.06  11.69 
1952 06  20.39   7.24  13.81 
1952 07  24.55   8.72  16.64 
1952 08  25.00   8.24  16.61 
1952 09  21.70   4.44  13.07 
1952 10  16.96  -2.30   7.33 
1952 12  -1.04 -14.02  -7.53 
1953 01  -7.34 -19.62 -13.48 
1953 02  -1.03 -14.56  -7.79 
1953 04   6.37  -4.87   0.75 
1953 05  16.54   1.80   9.17 
1953 06  20.41   8.35  14.38 
1953 07  26.01  10.02  18.01 
1953 08  25.36   7.49  16.42 
1953 09  20.95   4.62  12.78 
1953 10  19.02   0.10   9.56 
1953 11  10.83  -5.87   2.48 
1953 12   2.41 -11.00  -4.29 
1954 01 -16.21 -28.58 -22.40 
1954 02   3.20  -7.24  -2.02 
1954 03   -.81 -12.54  -6.67 
1954 04   4.75  -9.45  -2.34 
1954 05  16.54   2.59   9.56 
1954 06  19.51   5.47  12.49 
1954 07  27.48  10.69  19.08 
1954 09  17.50   4.71  11.11 
1954 10  14.56  -3.05   5.75 
1954 11  10.86  -5.35   2.75 
1954 12   3.51 -10.37  -3.42 
1955 01  -4.53 -17.78 -11.15 
1955 02  -7.62 -19.07 -13.34 
1955 03  -3.93 -16.79 -10.36 
1955 04  11.14  -1.83   4.65 
1955 05  16.00   2.76   9.38 
1955 06  23.24   7.79  15.51 
1955 07  24.82  11.74  18.27 
1955 08  27.60   7.29  17.44 
1955 09  18.75   3.19  10.97 
1955 10  14.44  -1.04   6.70 
1955 12 -10.18 -22.32 -16.25 
1956 02  -9.81 -21.72 -15.76 
1956 03   -.73 -12.12  -6.42 
1956 04   9.89  -4.05   2.92 
1956 05  18.62   3.87  11.24 
1956 06  24.63   8.29  16.45 
1956 07  25.37  11.74  18.55 
1956 08  24.39   9.17  16.77 
1956 09  19.24   4.56  11.90 
1956 10  13.05   -.32   6.36 
1956 11   6.38  -7.36   -.49 
1957 01 -12.27 -22.18 -17.22 
1957 02  -6.25 -16.71 -11.48 
1957 03   3.87  -8.35  -2.24 
1957 04  10.74  -3.28   3.73 
1957 05  21.28   5.04  13.16 
1957 06  22.24   8.37  15.30 
1957 07  28.55  11.23  19.89 
1957 08  23.57   9.18  16.37 
1957 09  21.59   5.23  13.41 
1957 10   9.95  -3.55   3.19 
1957 12   1.30 -10.51  -4.60 
1958 01   1.20 -10.57  -4.68 
1958 02  -6.78 -99.99 -99.99 
1958 03   -.75 -11.58  -6.16 
1958 04  12.45  -1.15   5.65 
1958 05  23.64   5.53  14.58 
1958 06  21.91   7.03  14.47 
1958 07  26.26  10.13  18.19 
1958 08  29.07  11.55  20.31 
1958 09  20.50   5.18  12.84 
1959 05  16.32   1.50   8.91 
1959 06  23.84   8.14  15.99 
1959 07  28.27  11.21  19.74 
1959 09  17.87   4.40  11.14 
