1948 05 14.64   5.31   9.97 
1948 06 20.52  11.90  16.20 
1948 07 24.50  15.41  19.95 
1948 08 24.91  15.92  20.41 
1948 09 22.34  12.74  17.54 
1948 10 12.95   5.19   9.07 
1948 11  9.97   4.10   7.03 
1948 12  1.87  -3.64   -.88 
1949 01  -.27  -5.49  -2.88 
1949 02   .31  -5.01  -2.35 
1949 03  1.74  -4.08  -1.16 
1950 02 -1.75 -10.28  -6.01 
1950 03   .27  -8.53  -4.12 
1950 04  7.58   -.82   3.38 
1950 05 16.77   6.50  11.63 
1950 06 19.98  10.75  15.36 
1950 07 24.22  14.59  19.40 
1950 08 23.74  14.86  19.29 
1950 09 17.94   9.59  13.76 
1950 11  6.63    .82   3.72 
1950 12  -.11  -7.33  -3.72 
1951 01 99.99  -8.10 -99.99 
1951 02 -1.04  -8.22  -4.64 
1951 03  4.38  -2.29   1.04 
1951 04 10.06   2.76   6.41 
1951 05 17.44   7.31  12.37 
1951 07 26.45  16.01  21.23 
1951 08 24.13  15.28  19.70 
1951 09 19.40   9.91  14.65 
1951 10 13.25   4.94   9.10 
1951 11  8.09   1.53   4.81 
1951 12  1.44  -6.09  -2.32 
1967 01  1.51  -6.15  -2.32 
1967 02 -3.81 -13.62  -8.71 
1967 03  1.75  -6.22  -2.23 
1967 04  9.42    .81   5.11 
1967 05 12.89   4.51   8.70 
1967 06 23.47  13.81  18.64 
1967 07 23.41  15.50  19.45 
1967 08 23.86  15.45  19.65 
1967 09 20.45  10.17  15.31 
1967 10 13.53   6.55  10.04 
1967 11  5.20   -.74   2.23 
1967 12  2.10  -4.69  -1.29 
1968 01 -4.14 -13.55  -8.84 
1968 02 -3.64 -12.28  -7.96 
1968 03  4.71  -3.15    .78 
1968 04 12.42   2.85   7.63 
1968 05 14.80   5.99  10.39 
1968 06 20.31  11.52  15.91 
1968 07 24.15  14.94  19.54 
1968 08 23.66  14.42  19.04 
1968 09 21.51  12.98  17.24 
1969 06 20.06  11.61  15.83 
1969 07 24.17  15.31  19.74 
1969 08 24.99  16.40  20.69 
1969 09 20.80  11.88  16.34 
1985 12  -.77  -7.76  -4.26 
1986 01 -1.63  -9.53  -5.58 
1986 02 -2.93 -10.76  -6.84 
1986 03  3.74  -3.35    .19 
1986 04 12.04   3.83   7.93 
1986 05 16.70   8.22  12.46 
1986 06 19.04  11.18  15.11 
1986 07 22.92  15.69  19.30 
1986 08 22.08  14.70  18.39 
1986 09 18.12  11.02  14.57 
1986 10 12.97   5.44   9.20 
1986 11  6.36    . 3   3.19 
1986 12  2.24  -3.13   -.44 
1987 01  -.92  -7.92  -4.42 
1987 02  -.77 -10.12  -5.44 
1987 03  5.82  -2.27   1.77 
1987 04 12.83   5.30   9.06 
1987 05 17.35   8.55  12.95 
1987 06 22.12  14.12  18.12 
1987 07 24.74  17.96  21.35 
1987 08 23.85  15.60  19.72 
1987 09 19.08  12.63  15.85 
1987 10 12.35   4.67   8.51 
1987 11  7.30    .67   3.98 
1987 12  3.39  -2.30    .54 
1988 01  -.37  -8.50  -4.43 
1988 02  -.81 -10.03  -5.42 
1988 03  3.53  -4.52   -.49 
1988 04  9.62   2.55   6.08 
1988 05 16.60   8.10  12.35 
1988 06 99.99  10.75 -99.99 
1988 07 25.64  17.12  21.38 
1988 08 24.60  17.20  20.90 
1988 09 19.42  11.32  15.37 
1988 10 11.32   4.19   7.75 
1988 11  8.22   1.42   4.82 
1988 12  1.56  -7.39  -2.91 
1989 01  2.05  -6.84  -2.39 
1989 02 -1.82 -10.14  -5.98 
1989 03  1.27  -6.45  -2.59 
1989 04  8.00    .33   4.16 
1989 05 15.24   7.69  11.46 
1989 06 20.77  13.05  16.91 
1989 07 24.25  15.80  20.02 
1989 08 22.89  15.29  19.09 
1989 09 19.23  11.30  15.26 
1989 10 12.92   5.23   9.07 
1989 11  6.70  -1.58   2.56 
1989 12 -5.79 -16.95 -11.37 
1990 01  2.29  -4.96  -1.33 
1990 02   . 4  -8.84  -4.40 
1990 03  4.13  -4.16    .-1 
1990 04 10.45   2.43   6.44 
1990 05 14.26   5.89  10.07 
1990 06 19.67  11.87  15.77 
1990 07 23.65  15.29  19.46 
1990 08 23.53  15.89  19.71 
1990 09 18.68  10.87  14.77 
1990 10 13.10   5.39   9.24 
1990 11  8.33    .97   4.65 
1990 12  3.65  -3.50    . 7 
1991 01 -1.35  -9.18  -5.26 
1991 02  1.45  -6.25  -2.40 
1991 03  4.44  -2.10   1.16 
1991 04 10.97   3.83   7.40 
1991 05 17.58   9.29  13.43 
1991 07 24.71  16.95  20.83 
1991 08 24.23  17.18  20.70 
1991 09 19.77  11.27  15.52 
1991 10 14.52   7.19  10.85 
1991 11  6.83    .22   3.52 
1991 12  1.61  -6.19  -2.29 
