1950 06 21.22  11.53  16.37 
1950 07 19.96  12.14  16.05 
1950 08 20.29  11.76  16.02 
1950 09 16.12   9.59  12.86 
1950 10 12.71   6.55   9.63 
1950 11  8.26   3.54   5.90 
1950 12  2.96   -.99    .98 
1951 01  5.83   1.16   3.49 
1951 02  5.75    .49   3.12 
1951 03  7.04    .90   3.97 
1951 04 10.06   2.62   6.34 
1951 05 12.67   6.29   9.47 
1951 06 16.50   8.99  12.74 
1951 07 20.69  11.56  16.12 
1951 08 19.23  10.77  15.00 
1951 09 17.98  10.32  14.15 
1951 10 13.56   5.67   9.61 
1951 11 10.35   4.65   7.50 
1951 12  7.56   2.28   4.92 
1952 01  4.82    .50   2.66 
1952 02  5.79    .35   3.07 
1952 03  9.34   3.07   6.20 
1952 04 13.47   5.12   9.29 
1952 05 17.54   8.18  12.86 
1952 06 19.65  10.39  15.02 
1952 07 21.38  13.02  17.20 
1952 08 20.75  12.65  16.70 
1952 09 14.30   7.53  10.91 
1952 10 11.85   5.84   8.84 
1952 11  6.60   2.16   4.38 
1952 12  5.12    .50   2.81 
1953 01  4.94    .90   2.92 
1953 02  6.58   1.53   4.05 
1953 03  9.81   1.26   5.53 
1953 04 10.43   3.43   6.93 
1953 05 15.77   8.25  12.01 
1953 06 16.10  10.65  13.37 
1953 07 19.37  11.76  15.56 
1953 08 21.18  12.15  16.66 
1953 09 18.12   9.63  13.87 
1953 10 13.77   7.36  10.56 
1953 11 10.38   5.59   7.98 
1953 12  9.00   5.07   7.03 
1954 01  4.85    .67   2.76 
1954 02  3.94  -1.11   1.41 
1954 03  8.35   2.09   5.22 
1954 04 10.48   3.22   6.85 
1954 05 15.28   7.16  11.21 
1954 06 17.17  10.24  13.70 
1954 07 17.67  11.12  14.39 
1954 08 18.36  11.55  14.95 
1954 09 16.62   8.47  12.54 
1954 10 15.12   8.91  12.01 
1954 11  9.60   4.05   6.82 
1954 12  8.52   3.17   5.84 
1955 01  4.15    . 1   2.08 
1955 02  3.28  -1.53    .87 
1955 03  5.66   -.55   2.55 
1955 04 12.87   5.63   9.25 
1955 05 13.18   5.43   9.30 
1955 06 17.16   9.35  13.26 
1955 07 19.58  11.96  15.77 
1955 08 21.75  13.13  17.44 
1955 09 18.28  10.10  14.19 
1955 10 12.77   6.15   9.46 
1955 11  9.89   5.74   7.82 
1955 12  8.18   2.72   5.45 
1956 01  5.87    .83   3.35 
1956 02  1.57  -3.31   -.86 
1956 03  9.35   1.88   5.61 
1956 04  9.25   2.52   5.88 
1956 05 17.01   7.60  12.30 
1956 06 15.42   9.16  12.29 
1956 07 18.89  12.37  15.62 
1956 08 17.12  10.25  13.68 
1956 09 18.02  10.82  14.42 
1956 10 12.79   6.31   9.55 
1956 11  8.24   3.36   5.80 
1956 12  7.56   3.46   5.51 
1957 01  7.66   3.22   5.44 
1957 02  7.70   1.76   4.73 
1957 03 12.19   5.21   8.70 
1957 04 11.67   4.82   8.24 
1957 05 13.63   6.25   9.94 
1957 06 19.57  10.14  14.86 
1957 07 19.98  12.96  16.46 
1957 08 18.77  11.93  15.35 
1957 09 15.61   9.17  12.39 
1957 10 13.88   8.01  10.94 
1957 11  8.64   4.66   6.65 
1957 12  6.85   1.76   4.30 
1958 01  5.40    . 9   2.74 
1958 02  6.96   1.79   4.37 
1958 03  6.38    .40   3.39 
1958 04 10.18   3.48   6.83 
1958 05 15.23   7.03  11.13 
1958 06 17.15   9.34  13.24 
1958 07 19.46  11.95  15.70 
1958 08 19.76  11.62  15.69 
1958 09 18.29  11.44  14.86 
1958 10 13.60   7.83  10.71 
1958 11  9.12   4.85   6.98 
1958 12  6.88   2.52   4.69 
1959 01  3.94   -.55   1.69 
1959 02  7.08   2.19   4.63 
1959 03 10.45   4.03   7.24 
1959 04 13.31   5.94   9.62 
1959 05 15.70   7.94  11.82 
1959 06 20.15  10.68  15.41 
1959 07 22.83  12.62  17.72 
1959 08 22.12  13.61  17.86 
1959 09 19.71  11.65  15.68 
1959 10 17.01   8.89  12.95 
1959 11  9.18   3.67   6.43 
1959 12  8.18   3.80   5.99 
1960 01  5.91   1.70   3.80 
1960 02  5.99   1.47   3.73 
1960 03  8.06   3.42   5.74 
1960 04 12.02   5.45   8.73 
1960 05 16.71   8.55  12.63 
1960 06 20.42  11.01  15.71 
1960 07 19.04  11.61  15.33 
1960 08 19.25  11.19  15.21 
1960 09 16.79  10.22  13.51 
1960 10 13.22   7.99  10.60 
1960 11  9.70   4.89   7.29 
1960 12  6.35   2.13   4.23 
1961 01  5.25   1.40   3.32 
1961 02  9.13   3.75   6.44 
1961 03 12.45   4.17   8.30 
1961 04 13.87   6.67  10.27 
1961 05 14.34   7.20  10.77 
1961 06 20.12  10.41  15.26 
1961 07 19.36  11.84  15.60 
1961 08 20.33  11.60  15.96 
1961 09 19.96  11.55  15.76 
1961 10 14.54   8.34  11.44 
1961 11  9.27   4.55   6.91 
1961 12  6.08    .81   3.44 
1962 01  7.09   2.04   4.56 
1962 02  6.72   1.78   4.25 
1962 03  6.16    . 8   3.12 
1962 04 10.61   4.48   7.54 
1962 05 13.26   7.00  10.13 
1962 06 17.95   9.67  13.81 
1962 07 17.46  10.83  14.15 
1962 08 18.36  10.98  14.67 
1962 09 16.29   9.49  12.89 
1962 10 14.00   7.61  10.80 
1962 11  7.95   3.64   5.79 
1962 12  5.17   -.19   2.49 
1963 01   .50  -3.17  -1.33 
1963 02  1.43  -2.87   -.72 
1963 03  8.79   2.84   5.81 
1963 04 11.81   4.96   8.38 
1963 05 14.02   6.73  10.37 
1963 06 17.86  10.63  14.24 
1963 07 19.35  11.35  15.35 
1963 08 16.90  10.40  13.65 
1963 09 15.95   8.47  12.21 
1963 10 13.00   7.12  10.05 
1963 11 10.32   4.60   7.46 
1963 12  4.77    .71   2.74 
1964 01  3.96   -.60   1.68 
1964 02  6.22   1.61   3.91 
1964 03  5.04   1.22   3.13 
