1968 04  7.88  -5.06   1.41 
1968 05 12.38   -.66   5.86 
1968 06 18.93   4.30  11.61 
1968 07 26.10   9.47  17.79 
1968 08 19.54   6.24  12.89 
1968 09 20.26   5.46  12.86 
1968 10 10.73   -.57   5.08 
1968 11  2.82  -3.57   -.37 
1968 12 -1.50  -8.66  -5.08 
1969 01 -2.04  -9.51  -5.77 
1969 02 -1.48  -9.72  -5.60 
1969 03  4.57  -5.86   -.64 
1969 04  7.63  -4.42   1.60 
1969 05 15.18   2.35   8.77 
1969 06 16.29   4.51  10.40 
1969 07 22.48   6.54  14.51 
1969 08 22.60   6.45  14.52 
1969 09 18.69   5.19  11.94 
1969 10  8.18  -2.35   2.91 
1969 11  8.05  -1.72   3.16 
1969 12  1.65  -5.28  -1.81 
1970 01   . 0  -5.88  -2.94 
1970 02  4.66  -5.02   -.18 
1970 03  3.64  -6.44  -1.40 
1970 04  3.72  -6.72  -1.49 
1970 05 13.50   -.12   6.69 
1970 06 18.79   6.09  12.44 
1970 07 25.12   9.49  17.30 
1970 08 25.65   9.35  17.50 
1970 09 16.99   1.47   9.22 
1970 10 10.77    .60   5.68 
1970 11  3.39  -3.46    .-3 
1971 01  3.34 -99.99 -99.99 
1971 02  2.58  -6.79  -2.10 
1971 03  2.46  -6.91  -2.22 
1971 04  7.95  -4.57   1.68 
1971 05 13.08   -.68   6.20 
1971 06 16.33   1.96   9.14 
1971 07 25.32   7.74  16.52 
1971 08 27.60  11.14  19.37 
1971 09 16.96   1.26   9.11 
1971 10 10.13  -2.25   3.94 
1971 11  5.40  -4.23    .58 
1971 12 -1.30  -9.91  -5.60 
1972 01  -.18  -8.85  -4.52 
1972 02  2.46  -6.51  -2.02 
1972 03  7.28  -3.55   1.86 
1972 04  6.91  -5.93    .49 
1972 05 15.73   1.01   8.37 
1972 06 20.31   4.31  12.31 
1972 07 25.59   6.79  16.19 
1972 08 25.39   8.37  16.87 
1972 09 18.73   2.20  10.46 
1972 10 11.28  -1.17   5.04 
1972 11  3.79  -3.37    .21 
1972 12 -1.11  -9.56  -5.33 
1973 01 -1.17  -9.21  -5.19 
1973 02  4.28  -6.29  -1.00 
1973 03  3.67  -6.59  -1.46 
1973 04  9.07  -3.66   2.70 
1973 05 16.45   1.89   9.17 
1973 06 20.68   3.54  12.11 
1973 07 25.84   7.40  16.62 
1973 08 24.50   7.31  15.90 
1973 09 19.74   4.44  12.09 
1973 10 11.68   -.22   5.73 
1973 11  1.22  -5.96  -2.36 
1973 12  1.57  -4.76  -1.59 
1974 01  -.38 -10.29  -5.33 
1974 02  3.11  -6.77  -1.83 
1974 03  4.04  -5.85   -.90 
1974 04  7.95  -4.02   1.96 
1974 05 12.67  -2.24   5.21 
1974 06 22.69   5.89  14.29 
1974 07 23.48   6.25  14.86 
1974 08 24.40   7.27  15.83 
1974 09 23.99   6.09  15.04 
1974 10 15.07    .76   7.91 
1974 11  6.19  -2.17   2.01 
1974 12  1.65  -6.88  -2.61 
1975 01  2.65  -6.26  -1.80 
1975 02  1.68  -7.75  -3.03 
1975 03  2.04  -8.60  -3.28 
1975 04  5.17  -7.46  -1.14 
1975 05 14.68  -1.56   6.56 
1975 06 16.94   1.69   9.31 
1975 07 26.54   8.39  17.46 
1975 08 20.87   5.32  13.09 
1975 09 21.83   5.63  13.73 
1975 10 10.59   -.72   4.93 
1975 11  3.11  -5.81  -1.35 
1975 12  4.01  -4.50   -.24 
1976 01  4.16  -5.86   -.85 
1976 02  2.87  -7.34  -2.23 
1976 03  4.65  -7.75  -1.55 
1976 04  8.26  -5.10   1.58 
1976 05 17.24   -.73   8.25 
1976 06 15.38    . 9   7.73 
1976 08 18.59   5.58  12.08 
1976 09 20.03   5.11  12.57 
1976 10 14.32   1.77   8.04 
1976 11 11.57 -99.99 -99.99 
1976 12  7.08 -99.99 -99.99 
1977 01  3.41  -5.76  -1.17 
1977 02  7.24  -4.85   1.19 
1977 03  3.17  -7.90  -2.36 
1977 05  9.21  -2.76   3.22 
1977 07 23.12   6.46  14.79 
1977 09 99.99   2.31 -99.99 
1977 10 13.42    .90   7.16 
1977 11  3.24  -5.08   -.91 
1977 12  1.13  -5.37  -2.11 
1978 01  1.51  -5.08  -1.78 
1978 02  1.62  -6.25  -2.31 
1978 03  9.18  -2.64   3.27 
1978 04  7.70  -3.82   1.94 
1978 05 11.38  -2.90   4.23 
1978 06 18.04   2.97  10.50 
1978 07 22.51   7.49  15.00 
1978 10 17.20    .90   9.05 
1978 11  3.35  -7.61  -2.13 
1978 12 -3.22 -12.86  -8.04 
1979 01 -2.87 -12.36  -7.61 
1979 02   .31  -7.68  -3.68 
1979 03  6.10  -3.53   1.28 
1979 04  7.32  -3.71   1.80 
1979 05 15.24    .34   7.79 
1979 08 20.93   7.00  13.96 
1979 09 22.12   6.87  14.49 
1979 10 12.82   2.76   7.79 
1979 11  4.13  -4.36   -.11 
1980 01   .30  -8.81  -4.25 
1980 02  3.70  -3.89    .-9 
1980 03  3.45  -6.67  -1.61 
1980 04  9.77  -2.33   3.71 
1980 06 14.67   1.60   8.13 
