1967 02  -.71  -8.58  -4.64 
1967 03  -.50 -10.25  -5.37 
1967 04  4.17  -5.13   -.47 
1967 05  9.22   1.59   5.41 
1967 06 17.96   7.74  12.85 
1967 07 17.85   8.72  13.29 
1967 08 21.13  11.15  16.14 
1967 09 15.59   7.97  11.78 
1967 10  4.38  -1.56   1.41 
1967 11 -1.58  -6.57  -4.07 
1967 12 -5.30 -12.50  -8.89 
1968 01 -6.40 -12.61  -9.50 
1968 02  2.33  -6.15  -1.91 
1968 03   .77  -5.28  -2.25 
1968 04 99.99  -6.66 -99.99 
1968 05  9.02   -.26   4.38 
1968 06 11.47   2.02   6.74 
1968 07 17.43   7.41  12.42 
1968 08 13.80   5.97   9.88 
1968 09 10.12   2.96   6.54 
1968 10  3.08  -2.41    .33 
1968 11 -1.97  -6.48  -4.22 
1968 12 99.99 -16.31 -99.99 
1969 01 99.99 -21.53 -99.99 
1969 02 -3.19 -10.92  -7.05 
1969 03 99.99  -7.08 -99.99 
1969 04  5.07  -1.83   1.62 
1969 05 11.98   1.59   6.78 
1969 06 18.35   7.24  12.79 
1969 07 15.20   5.24  10.21 
1969 08 14.00   5.39   9.69 
1969 09  9.97   2.36   6.17 
1969 10  5.21  -1.76   1.72 
1969 11   .69  -4.78  -2.04 
1969 12 -2.76  -8.38  -5.57 
1970 01 -6.55 -13.41  -9.97 
1970 02  1.16  -7.06  -2.95 
1970 03 99.99  -8.55 -99.99 
1970 04  3.65  -6.21  -1.28 
1970 05  9.22   -.12   4.55 
1970 06 17.29   5.13  11.21 
1970 07 18.84   7.68  13.26 
1970 08 18.28   6.99  12.63 
1970 09  9.33    .57   4.94 
1970 10 99.99  -2.71 -99.99 
1970 11 -1.96 -99.99 -99.99 
1970 12 -6.40 -99.99 -99.99 
1971 05 99.99   2.79 -99.99 
1971 06 12.48 -99.99 -99.99 
1971 07 20.27   6.02  13.14 
1971 08 19.70   7.71  13.70 
1971 09  8.81   -.48   4.16 
1971 10  4.71  -7.45  -1.36 
1971 11  -.90  -8.13  -4.51 
1974 05  6.35  -1.20   2.57 
1974 06 14.34   2.76   8.55 
1974 07 14.81   4.80   9.80 
1974 08 17.98   6.95  12.46 
1974 09 14.74 -99.99 -99.99 
1974 10  7.43   -.36   3.53 
1974 11 -1.62  -6.78  -4.20 
1974 12 -4.07  -8.33  -6.20 
1975 01 -7.74 -14.21 -10.97 
1975 02 -7.75 -16.02 -11.88 
1975 03 -2.64 -10.33  -6.48 
1975 04  4.05  -5.79   -.86 
1975 05  9.08    .-8   4.50 
1975 06 12.28   2.48   7.38 
1975 07 18.71   8.37  13.54 
1975 08 12.57   3.83   8.20 
1975 09 14.46   4.15   9.30 
1975 10  3.27  -1.95    .66 
1975 11 -2.97  -8.33  -5.65 
1975 12 -3.68  -9.78  -6.73 
1976 01 -3.27  -9.22  -6.24 
1976 02 -3.85 -10.39  -7.12 
1976 03 -2.56 -10.47  -6.51 
1976 04  5.04  -2.99   1.02 
1976 05  8.53    .63   4.58 
1976 06 10.31   1.96   6.13 
1976 07 14.53   5.43   9.97 
1976 08 13.31   6.40   9.85 
1976 09 14.28   4.83   9.55 
1976 10  4.94  -1.34   1.80 
1976 11   .74  -5.49  -2.37 
1976 12 -1.95  -7.45  -4.69 
1977 01 -3.96 -10.66  -7.31 
1977 02   .46  -5.49  -2.51 
1977 03 -1.48  -8.68  -5.08 
1977 04  6.87  -2.76   2.05 
1977 05  8.05    .-9   3.98 
1977 06 14.04   3.87   8.95 
1977 07 14.55   6.17  10.36 
1977 08 17.70   8.20  12.95 
1977 09  8.57   1.52   5.04 
1977 10  4.59  -1.81   1.39 
1977 11 -4.35  -9.81  -7.08 
1977 12 -7.80 -14.98 -11.39 
1978 01 -4.76 -12.71  -8.73 
1978 02 -1.29  -8.45  -4.87 
1978 03  1.35  -6.42  -2.53 
1978 04  4.59  -2.52   1.03 
1978 05  8.28   -.47   3.90 
1978 06 15.90   5.16  10.53 
1978 07 18.94   8.37  13.65 
1978 08 15.65   6.46  11.05 
1978 09  9.24   2.60   5.92 
1978 10  6.34   -.61   2.86 
1978 11 -4.11 -10.93  -7.52 
1978 12 -8.25 -14.93 -11.59 
1979 01 -9.04 -18.70 -13.87 
1979 02 -4.39 -13.20  -8.79 
1979 03  2.58  -7.08  -2.25 
1979 04  4.84  -4.98    .-6 
1979 05  9.20    .63   4.91 
1979 06 13.67   3.37   8.52 
1979 07 19.02   7.87  13.44 
1979 08 19.31   7.84  13.57 
1979 09 14.53   4.62   9.57 
1979 10  8.21   -.15   4.03 
1979 11   .68  -7.08  -3.20 
1979 12 -2.36  -9.22  -5.80 
1980 01 -8.89 -17.53 -13.21 
1980 02 -1.34  -7.83  -4.58 
1980 03 -1.08  -9.39  -5.24 
1980 04  8.07  -2.36   2.85 
1980 05 11.73   2.66   7.19 
1980 06 13.67   4.67   9.17 
1980 07 15.84   6.45  11.14 
1980 08 14.45   4.76   9.60 
1980 09 11.53   2.32   6.92 
1980 10  8.39   -.18   4.10 
1980 11   .-2  -5.98  -3.00 
1980 12 -4.34 -11.85  -8.09 
1981 01   .94  -4.79  -1.92 
1981 02  -.95  -9.22  -5.08 
1981 03  3.18  -6.18  -1.49 
1981 04  3.62  -5.08   -.73 
1981 05 10.77   1.17   5.97 
1981 06 10.07   2.32   6.19 
1981 07 17.85   6.05  11.95 
1981 08 21.10   9.60  15.35 
1981 09 12.17   3.72   7.94 
1981 10  5.02  -2.26   1.38 
1981 11   .67  -5.05  -2.19 
1981 12 -4.65 -12.63  -8.64 
1982 01 -7.56 -15.26 -11.41 
1982 02 -4.92 -12.41  -8.67 
1982 03  -.15 -10.13  -5.14 
1982 04  3.47  -4.46   -.49 
1982 05  9.68    .61   5.14 
1982 06 17.62   4.77  11.19 
1982 07 15.13   6.41  10.77 
1982 08 14.61   5.19   9.89 
1982 09 13.22   3.95   8.58 
1982 10  4.85  -2.47   1.18 
1982 11 -4.10 -11.37  -7.73 
1982 12 -4.66 -11.03  -7.84 
1983 01 -2.21  -7.40  -4.80 
1983 02 -1.55  -7.55  -4.55 
1983 03  1.85 -99.99 -99.99 
1983 04  6.42  -3.85   1.28 
1983 05 99.99   1.58 -99.99 
1983 06 11.86   4.35   8.10 
1983 07 14.85   6.76  10.80 
1983 08 17.81   8.56  13.18 
1983 09  9.13   1.62   5.37 
1983 10  4.89  -1.05   1.91 
1983 11 -1.16  -4.92  -3.04 
1983 12 10.56 -17.29 -13.92 
1984 01 -3.37  -9.66  -6.51 
