1951 06 16.58   5.52  11.05 
1951 07 18.31   8.68  13.49 
1951 08 18.16   9.59  13.87 
1952 06 15.13   3.24   9.18 
1952 07 17.29   7.29  12.29 
1953 07 20.91   8.43  14.67 
1954 06 18.02   3.68  10.85 
1954 07 17.07   7.66  12.36 
1955 05 12.53    .54   6.53 
1955 06 14.05   1.85   7.95 
1955 07 18.48   5.98  12.23 
1955 08 16.17 -99.99 -99.99 
1956 06 15.26   3.07   9.16 
1956 07 20.15   6.86  13.50 
1957 06 20.45   4.80  12.62 
1957 07 19.51   7.07  13.29 
1957 09 13.82   5.13   9.47 
1958 06 17.20   5.42  11.31 
1958 07 18.87   7.59  13.23 
1958 08 16.92   7.63  12.27 
1958 09 13.56   2.79   8.17 
1958 12  -.25  -7.65  -3.95 
1959 01 -5.59 -14.77 -10.18 
1959 02  2.35  -6.52  -2.08 
1959 03 -6.32 -21.86 -14.09 
1959 04  4.48  -3.73    .37 
1959 05 12.74   1.49   7.11 
1959 06 18.34   5.14  11.74 
1959 07 15.75   6.85  11.30 
1959 08 16.53   7.27  11.90 
1959 09 14.31   2.70   8.50 
1959 10  8.59  -1.62   3.48 
1959 11  4.54  -3.01    .76 
1959 12 -6.62 -16.46 -11.54 
1960 01   .43  -7.29  -3.43 
1960 02  1.67  -8.01  -3.17 
1960 03  -.82 -12.44  -6.62 
1960 04  2.39  -8.21  -2.91 
1960 05 12.14   1.54   6.84 
1960 06 15.01   3.47   9.24 
1960 07 18.04   7.57  12.81 
1960 08 15.66   7.33  11.49 
1960 09 12.70   3.33   8.01 
1960 10  7.03 -99.99 -99.99 
1960 11  -.65  -8.64  -4.64 
1960 12  3.40  -3.25    . 7 
1961 01  2.62  -4.15   -.76 
1961 02 -7.50 -19.29 -13.40 
1961 03 -4.29 -16.98 -10.63 
1961 04  3.71  -5.13   -.71 
1961 05 13.86    .88   7.37 
1961 06 14.24   4.14   9.18 
1961 07 15.27   7.07  11.17 
1961 08 15.35   6.32  10.83 
1961 09 12.78   4.96   8.87 
1961 10  4.85  -4.53    .15 
1961 11   . 9  -8.17  -4.04 
1962 03  -.40 -14.55  -7.47 
1962 04  6.21  -4.87    .67 
1962 05 10.13    .10   5.11 
1962 06 15.96   4.75  10.35 
1962 07 19.32   8.31  13.81 
1962 08 17.46   7.87  12.67 
1962 09 13.11   2.03   7.57 
1962 10  7.03  -1.16   2.93 
1962 11  2.79  -4.78   -.99 
1962 12 -2.11 -99.99 -99.99 
1963 02 -1.01 -11.47  -6.24 
1963 03  1.83  -9.00  -3.58 
1963 04  3.56  -8.14  -2.29 
1963 05 11.88    .37   6.12 
1963 06 13.52   3.20   8.36 
1963 07 17.61   7.32  12.46 
1963 09 16.45   5.13  10.79 
1963 10  5.66  -3.90    .87 
1963 11 -5.50 -14.50 -10.00 
1963 12  2.81  -5.95  -1.57 
1964 01 -2.01 -11.06  -6.53 
1964 02 -2.50 -13.90  -8.20 
1966 06 17.12   5.22  11.17 
1966 07 17.59   7.29  12.44 
1966 08 15.55   7.55  11.55 
1966 09 13.81   5.07   9.44 
1967 06 16.50   6.28  11.39 
1967 07 18.60   8.60  13.60 
1967 08 19.17   8.89  14.03 
1968 05 14.98   2.22   8.59 
1968 07 19.95   6.75  13.35 
1968 09 14.32   1.59   7.95 
1969 06 17.70   5.96  11.83 
1969 07 16.87   7.91  12.39 
1969 08 15.91   5.96  10.93 
1969 09 15.83   3.10   9.46 
1970 05 13.68    .57   7.12 
1970 06 16.44   2.80   9.62 
1970 07 17.58   5.30  11.44 
1970 08 15.25   5.87  10.56 
1971 07 17.45   7.18  12.32 
1971 08 15.84   7.22  11.53 
1972 07 18.66   7.15  12.90 
1972 08 17.74   8.72  13.23 
1972 09 13.17   3.72   8.44 
