1966 06  10.91   3.21   7.06 
1966 07  16.26   6.20  11.23 
1966 08  17.09   7.71  12.40 
1966 09  14.64   7.04  10.84 
1966 10   4.67  -1.81   1.43 
1966 11  -1.08  -5.75  -3.41 
1966 12  -3.89  -7.69  -5.79 
1967 01  -4.44  -8.80  -6.62 
1967 02  -2.32  -7.56  -4.94 
1967 03  -2.96  -8.84  -5.90 
1967 04   0.60  -5.30  -2.35 
1967 05   7.43   0.24   3.83 
1967 06  15.02   6.34  10.68 
1967 07  17.78   7.76  12.77 
1967 08  21.69  11.52  16.60 
1967 10   3.66  -1.69   0.98 
1967 11  -1.23  -5.97  -3.60 
1967 12  -4.92 -10.62  -7.77 
1968 01  -5.29 -11.27  -8.28 
1968 02   1.23  -4.41  -1.58 
1968 04   1.16  -5.82  -2.32 
1968 05   8.18   0.36   4.27 
1968 06  10.99   3.20   7.09 
1968 07  17.75   8.81  13.28 
1968 08  13.64   6.55  10.09 
1968 09  11.37   4.19   7.78 
1968 10   2.17  -2.70   -.26 
1968 11  -2.58  -6.80  -4.69 
1968 12  -8.18 -14.57 -11.37 
1969 01 -12.77 -18.39 -15.58 
1969 02  -5.72 -10.78  -8.25 
1969 03   0.28  -5.82  -2.77 
1969 04   2.26  -3.82   -.78 
1969 05  11.04   2.91   6.97 
1969 06  15.66   7.99  11.82 
1969 07  15.78   6.50  11.14 
1969 08  16.42   6.43  11.42 
1969 09  11.18   4.46   7.82 
1969 10   3.70  -1.69   1.00 
1969 11   1.60  -4.11  -1.25 
1969 12  -3.65  -7.66  -5.65 
1970 01  -5.94 -11.08  -8.51 
1970 02  -1.03  -5.78  -3.40 
1970 03  -1.90  -7.81  -4.85 
1970 04   -.27  -6.48  -3.37 
1970 05   8.89  -1.09   3.90 
1970 06  14.96   6.34  10.65 
1970 07  18.10   7.99  13.04 
1970 08  18.35   8.66  13.50 
1970 09   9.21   1.14   5.17 
1970 10   4.05  -1.52   1.26 
1970 11  -3.04  -7.24  -5.14 
1970 12  -6.47 -11.61  -9.04 
1971 01  -3.15  -8.95  -6.05 
1971 02  -3.33  -8.63  -5.98 
1971 03  -4.60 -10.51  -7.55 
1971 04   2.08  -4.57  -1.24 
1971 05   9.49   1.32   5.40 
1971 06  10.02   2.28   6.15 
1971 07  17.20   8.63  12.92 
1971 08  19.95  10.75  15.35 
1971 09   8.35   1.07   4.71 
1971 10   3.42  -2.53   0.44 
1971 11  -2.55  -6.86  -4.70 
1971 12  -6.91 -13.12 -10.01 
1972 01  -6.56 -14.40 -10.48 
1972 02  -2.73  -9.54  -6.13 
1972 03   0.38  -6.13  -2.87 
1972 04   -.29  -6.97  -3.63 
1972 05   8.81   1.55   5.18 
1972 06  11.46   3.61   7.53 
1972 07  15.39   7.15  11.27 
1972 08  17.58   9.16  13.37 
1972 09   8.04   0.69   4.36 
1972 10   6.48   -.58   2.94 
1972 11  -1.91  -5.73  -3.82 
1972 12  -8.31 -13.45 -10.88 
1973 01  -7.13 -12.83  -9.97 
1973 02  -3.00  -7.69  -5.34 
1973 03  -1.12  -6.37  -3.74 
1973 04   3.21  -3.88   -.33 
1973 05   9.32   0.65   4.98 
1973 06  11.54   2.34   6.94 
1973 07  17.85   7.14  12.49 
1973 08  16.87   6.89  11.88 
1973 09  11.95   4.02   7.98 
1973 10   3.05  -1.90   0.57 
1973 11  -5.54  -9.70  -7.62 
1973 12  -4.54  -7.99  -6.26 
1974 01  -6.87 -12.60  -9.73 
1974 02  -3.53  -7.98  -5.75 
1974 03  -2.62  -8.10  -5.36 
1974 04   2.24  -3.52   -.64 
1974 05   4.92  -2.28   1.32 
1974 06  15.56   5.48  10.52 
1974 07  14.80   6.28  10.54 
1974 08  17.03   8.35  12.69 
1974 09  14.59   6.51  10.55 
1974 10   8.21   1.12   4.66 
1974 11  -1.87  -6.21  -4.04 
1974 12  -4.11  -8.34  -6.22 
1975 01  -6.51 -12.21  -9.36 
1975 02  -5.81 -11.67  -8.74 
1975 03  -4.42  -9.88  -7.15 
1975 04   1.42  -5.44  -2.01 
1975 05   7.42   -.85   3.28 
1975 06  11.12   2.32   6.72 
1975 07  18.61  10.07  14.34 
1975 08  12.62   4.71   8.67 
1975 09  13.83   6.25  10.04 
1975 10   2.34  -2.64   -.14 
1975 11  -3.83  -8.64  -6.24 
1975 12  -2.76  -9.22  -5.99 
1976 01  -2.01  -8.47  -5.24 
1976 02  -3.82  -8.72  -6.27 
1976 03  -3.23 -10.10  -6.67 
1976 04   1.87  -4.55  -1.34 
1976 05   7.85   -.36   3.74 
1976 06   9.87   1.61   5.74 
1976 07  14.91   5.75  10.33 
1976 08  12.46   6.35   9.40 
1976 09  13.72   6.97  10.34 
1976 10   5.70   -.62   2.54 
1976 11   2.20  -3.57   -.68 
1976 12   -.81  -6.25  -3.53 
1977 01  -2.20  -8.50  -5.35 
1977 02  -0.04  -5.63  -2.83 
1977 03  -3.21  -8.22  -5.72 
1977 04   6.19  -1.85   2.17 
1977 05   5.43  -1.45   1.98 
1977 06  14.38   4.96   9.67 
1977 07  15.54   5.69  10.61 
1977 08  18.03   9.51  13.77 
1977 09   8.35   2.08   5.21 
1977 10   4.29  -1.84   1.22 
1977 11  -4.32  -9.30  -6.81 
1977 12  -5.89 -11.31  -8.60 
1978 01  -4.88  -9.04  -6.96 
1978 02  -3.28  -7.81  -5.54 
1978 03   0.16  -5.11  -2.47 
1978 04   1.51  -3.91  -1.20 
1978 05   6.08  -1.21   2.43 
1978 06  13.95   5.58   9.76 
1978 07  17.24   8.83  13.03 
1978 08  13.74   7.08  10.41 
1978 09   8.20   2.38   5.29 
1978 10   7.42   0.35   3.88 
1978 11  -3.30  -9.72  -6.51 
1978 12  -8.35 -13.98 -11.16 
1979 01  -8.56 -15.32 -11.94 
1979 02  -4.94 -10.55  -7.75 
1979 03   0.42  -5.65  -2.61 
1979 04   2.60  -3.38   -.39 
1979 05   9.47   0.84   5.16 
1979 06  13.43   4.55   8.99 
1979 07  17.76   8.22  12.99 
1979 08  17.37   8.68  13.02 
1979 09  12.70   5.72   9.21 
1979 10   6.85   1.24   4.04 
1979 11  -2.02  -6.60  -4.31 
1979 12  -2.77  -8.72  -5.75 
1980 01  -8.43 -15.00 -11.71 
1980 02  -2.00  -7.57  -4.78 
1980 03  -2.85  -8.10  -5.47 
1980 04   4.63  -2.03   1.30 
1980 05   8.00   1.35   4.67 
1980 06   9.93   2.82   6.37 
1980 07  15.35   7.03  11.19 
1980 08  13.53   5.05   9.29 
