1966 12  -.41  -8.80  -4.60 
1967 01 -1.68  -9.70  -5.69 
1967 02  1.51  -6.81  -2.65 
1967 03  -.44  -7.79  -4.11 
1967 04  4.41  -3.93    .23 
1967 05 12.35   2.14   7.24 
1967 06 19.37   8.41  13.89 
1967 07 20.19   8.93  14.56 
1967 08 24.01  12.03  18.02 
1967 09 19.86   6.98  13.42 
1967 10  7.25    .26   3.75 
1967 11  1.49  -3.93  -1.22 
1967 12 -1.94  -8.93  -5.43 
1968 01 -3.19  -9.93  -6.56 
1968 02  4.77  -4.82    .-2 
1968 03  4.34  -2.64    .85 
1968 04  4.35  -3.65    .34 
1968 05 11.35   2.26   6.80 
1968 06 14.68   6.38  10.53 
1968 07 21.36  10.46  15.91 
1968 08 17.50   7.35  12.42 
1968 09 14.83   4.55   9.69 
1968 10  7.13   -.95   3.09 
1968 11  1.42  -4.63  -1.60 
1969 01 11.24 -19.91 -15.57 
1969 02  -.87  -8.97  -4.92 
1969 03  4.52  -3.44    .53 
1969 04  7.90   -.66   3.62 
1969 05 14.68   5.89  10.28 
1969 06 20.66  12.35  16.50 
1969 07 18.78   8.75  13.76 
1969 08 17.65   7.40  12.52 
1969 09 13.70   4.71   9.21 
1969 10  7.56   -.14   3.71 
1969 11  3.31  -2.79    .26 
1970 04  4.30  -2.80    .75 
1970 06 21.12   8.02  14.57 
1970 08 22.26   8.70  15.48 
1970 09 13.27   2.97   8.12 
1970 10  9.45    .64   5.04 
1970 11  -.11  -7.57  -3.84 
1970 12 -3.13 -11.64  -7.38 
1971 01 -2.15 -11.06  -6.60 
1971 02   .48  -8.46  -3.99 
1971 03   .38  -8.97  -4.29 
1971 04  8.50  -2.85   2.82 
1971 05 15.44   3.27   9.35 
1971 06 13.43   5.11   9.27 
1971 07 21.60  10.57  16.08 
1971 08 22.71  11.73  17.21 
1971 09 13.18   3.42   8.30 
1971 10  7.85  -1.20   3.32 
1971 11  1.03  -4.86  -1.91 
1971 12 -5.71 -14.61 -10.16 
1972 01 -6.11 -20.20 -13.15 
1972 02  1.36 -12.36  -5.50 
1972 03  5.55  -6.48   -.46 
1972 04  5.76  -6.49   -.36 
1972 05 15.40   1.34   8.37 
1972 06 16.95   4.00  10.48 
1972 07 21.82   5.79  13.80 
1972 08 23.41   5.84  14.62 
1972 09 13.48    .42   6.95 
1972 10 11.12  -3.94   3.59 
1972 11  2.39  -5.04  -1.32 
1972 12 -3.73 -16.44 -10.08 
1973 01 -3.09 -14.27  -8.68 
1973 02  2.39  -9.43  -3.52 
1973 03  4.91  -5.45   -.26 
1973 04  8.54  -3.75   2.39 
1973 05 14.53    .90   7.71 
1973 06 16.62   3.31   9.96 
1973 07 22.41   4.92  13.67 
1973 08 20.98   4.05  12.51 
1973 09 16.87   3.55  10.21 
1973 10  7.60  -1.10   3.25 
1973 11 -2.30 -10.86  -6.58 
1973 12   .21  -8.77  -4.28 
1974 01 -3.58 -13.75  -8.66 
1974 02  1.93  -7.74  -2.90 
1974 03  3.16  -7.42  -2.13 
1974 04  8.87  -2.45   3.21 
1974 05 10.74   -.79   4.97 
1974 06 19.79   3.54  11.66 
1974 07 19.18   4.63  11.90 
1974 08 22.14   5.86  14.00 
1974 09 19.41   3.22  11.31 
1974 10 12.78   -.81   5.98 
1974 11  1.83  -6.14  -2.15 
1974 12   .25  -9.22  -4.48 
1975 01 -3.44 -14.23  -8.83 
1975 02 -3.73 -17.37 -10.55 
1975 05 10.47   2.01   6.24 
1975 06 13.81   5.30   9.55 
1975 07 21.13   9.17  15.15 
1975 08 14.98   6.15  10.56 
1975 09 17.24   5.65  11.44 
1975 10  5.83   -.55   2.64 
1975 11 -2.14 -99.99 -99.99 
1975 12  -.69  -6.76  -3.72 
1976 01  -.19  -6.30  -3.24 
1976 02 -1.58  -7.68  -4.63 
1976 03  -.58  -7.52  -4.05 
1976 04  6.58  -2.13   2.22 
1976 05 10.87   1.73   6.30 
1976 06 13.23   3.59   8.41 
1976 07 17.24   7.92  12.58 
1976 08 14.63   7.76  11.19 
1976 09 16.43   6.73  11.58 
1976 10  8.58    .85   4.71 
1976 11  4.52  -2.86    .83 
1976 12  1.57  -4.65  -1.54 
1977 01  -.68  -7.95  -4.31 
1977 02  3.83  -3.28    .27 
1977 03   .-2  -6.59  -3.30 
1977 04 10.36   -.46   4.94 
1977 05  9.28   1.13   5.20 
1977 06 17.07   7.31  12.19 
1977 07 18.29   7.44  12.86 
1977 10 99.99  -2.10 -99.99 
1977 11  3.19 -12.43  -4.62 
1977 12  1.11 -16.75  -7.82 
1978 01 -2.81 -99.99 -99.99 
1978 02   .37  -7.40  -3.51 
1978 03  3.89  -5.46   -.78 
1978 04  7.12  -2.57   2.27 
1978 05 10.03  -1.63   4.19 
1978 06 18.40   6.75  12.57 
1978 07 21.55  11.00  16.27 
1978 08 17.20   9.22  13.21 
1978 09 10.97   3.77   7.37 
1978 10  9.81    .84   5.32 
1978 11   . 0  -9.00  -4.50 
1978 12 -6.09 -16.21 -11.15 
1979 01 -7.45 -18.37 -12.91 
1979 02   .55 -10.91  -5.18 
1979 03  4.65  -7.62  -1.48 
1979 04  6.30  -7.03   -.36 
1979 05 13.02  -2.23   5.39 
1979 06 16.07   3.05   9.55 
1979 07 20.73   8.42  14.57 
1979 08 20.44   8.87  14.65 
1979 09 16.07   4.37  10.21 
1979 10 10.52  -1.68   4.42 
1979 11  1.62  -9.27  -3.82 
1979 12  -.32 -12.89  -6.60 
1980 01 -5.26 -19.00 -12.13 
1980 02  -.76 -10.69  -5.72 
1980 03   .10 -11.90  -5.89 
1980 04  9.83  -6.41   1.71 
1980 05 99.99  -2.16 -99.99 
1980 06 16.77   2.62   9.69 
1980 07 20.18   4.66  12.42 
1980 08 17.16   4.61  10.88 
1980 09 12.70   5.36   9.03 
1980 10 10.18   2.52   6.35 
1980 11  2.70  -3.48   -.39 
1980 12 -2.33  -9.32  -5.82 
1981 01  1.94  -3.45   -.75 
1981 02  1.59  -6.39  -2.39 
1981 03  4.21  -2.56    .82 
1981 05 11.04 -99.99 -99.99 
1981 06 12.70   3.83   8.26 
1981 07 17.32   8.87  13.09 
1981 08 22.61  11.29  16.95 
1981 09 15.27   5.26  10.26 
1981 10  7.69   -.16   3.76 
1981 11  3.91  -2.24    .83 
1981 12 -3.56  -9.58  -6.57 
1982 06 19.29 -99.99 -99.99 
1982 12 -2.63 -99.99 -99.99 
1983 01  -.47  -5.05  -2.76 
1983 02  -.57  -5.23  -2.90 
1983 03  2.03  -4.02   -.99 
1983 04  5.26  -1.42   1.92 
1983 05 13.05   3.74   8.39 
1983 06 13.90   5.68   9.79 
1983 07 16.54   7.27  11.91 
1983 08 20.19  10.03  15.11 
1983 09 11.08   3.07   7.07 
1983 10  8.03   1.10   4.56 
1983 11   . 8  -3.91  -1.91 
1983 12 -9.13 -15.72 -12.42 
1984 01   .16  -6.23  -3.03 
1984 02  1.39  -4.59  -1.60 
1984 03  4.55  -2.94    .80 
1984 04  4.50  -2.58    .96 
1984 05  7.42   -.10   3.66 
1984 06 13.72   5.43   9.57 
1984 07 20.71   8.77  14.74 
1984 08 18.90   9.39  14.15 
1984 09 11.07   3.07   7.07 
1984 10  3.80  -2.23    .78 
1984 11  -.50  -6.32  -3.41 
1984 12 -6.52 -13.98 -10.25 
1985 02 -2.61  -9.27  -5.94 
1985 03  1.94  -6.18  -2.11 
1985 04  6.23  -1.75   2.24 
1985 05 13.26   3.21   8.23 
1985 06 15.48   5.47  10.47 
1985 07 23.94  11.42  17.68 
1985 08 18.89   8.39  13.64 
1985 09 10.48   2.35   6.41 
1985 10  5.03  -1.48   1.77 
1985 11 -8.82 -16.84 -12.83 
1986 01   .67  -5.05  -2.19 
1986 03  4.85  -1.76   1.54 
1986 04  4.77  -3.35    .71 
1986 05 12.29   2.08   7.19 
1986 06 17.87   5.72  11.79 
1986 08 22.62  10.73  16.67 
1986 09 11.10   2.83   6.96 
1987 10 11.68 -99.99 -99.99 
1987 11  3.23  -2.65    .28 
1987 12 -2.55  -9.83  -6.19 
1988 01 -2.58 -10.70  -6.64 
1988 02 99.99  -5.90 -99.99 
1988 03  3.45  -3.73   -.13 
1988 04  8.91    .62   4.76 
1988 05 11.53   2.34   6.93 
1988 06 15.08   5.29  10.18 
1988 08 18.87   9.37  14.12 
1988 09 15.40   5.77  10.58 
1988 10 12.03   3.95   7.99 
1988 11  1.28  -3.68  -1.20 
1988 12  -.21  -6.42  -3.31 
1989 01  -.75  -8.72  -4.73 
1989 02 -4.82 -13.05  -8.93 
1989 03   .84  -6.98  -3.07 
1989 04  9.05   -.12   4.46 
1989 05 12.11   3.11   7.60 
1989 06 17.07   8.09  12.58 
