1978 02 -2.59 -13.11  -7.85 
1978 03  5.65  -4.28    .68 
1978 04 14.61   2.67   8.63 
1978 05 18.95   7.86  13.41 
1978 06 23.83  11.87  17.85 
1978 07 24.09  14.36  19.22 
1978 08 25.19  15.56  20.37 
1978 09 22.98  11.23  17.10 
1978 10 14.82   2.15   8.48 
1978 11 11.17    .22   5.69 
1978 12  5.00  -5.09    .-4 
1979 01 -1.35 -10.49  -5.92 
1979 02 -1.75 -12.24  -6.99 
1979 03 11.33  -1.16   5.08 
1979 04 14.48   2.28   8.38 
1979 05 19.83   7.44  13.63 
1979 06 23.12  11.18  17.15 
1979 07 24.00  13.74  18.86 
1979 08 23.53  13.83  18.68 
1979 09 21.50  10.40  15.95 
1979 10 14.22   3.87   9.04 
1979 11 10.62    .10   5.36 
1979 12  5.78  -4.83    .47 
1980 01   .74  -7.89  -3.57 
1980 02  -.12 -10.03  -5.07 
1980 03  7.11  -4.05   1.53 
1980 04 14.49   1.93   8.21 
1980 05 20.91   8.64  14.78 
1980 06 22.82  10.39  16.60 
1980 07 25.99  15.32  20.65 
1980 08 25.85  15.25  20.55 
1980 09 24.22  10.66  17.43 
1980 10 14.70   2.06   8.38 
1980 11  8.78  -3.11   2.83 
1980 12  3.01  -6.90  -1.94 
1981 01 -1.48 -10.85  -6.16 
1981 02  6.59  -7.69   -.54 
1981 03  7.13  -3.78   1.67 
1981 04 18.31   3.30  10.80 
1981 05 20.25   7.28  13.76 
1981 06 23.93  12.59  18.26 
1981 07 25.85  14.94  20.39 
1981 08 24.82  12.60  18.70 
1981 09 21.23   9.92  15.57 
1981 10 15.14   1.58   8.36 
1981 11  9.52  -1.57   3.97 
1981 12  1.74  -6.98  -2.62 
1982 01   .54 -12.19  -5.82 
1982 02  3.73  -7.23  -1.75 
1982 03 10.21  -3.18   3.51 
1982 04 14.57  -2.39   6.08 
1982 05 24.04   9.56  16.80 
1982 06 22.91   9.76  16.33 
1982 07 26.78  13.60  20.19 
1982 08 24.50  11.44  17.96 
1982 09 21.16  10.08  15.62 
1982 10 16.60   4.77  10.68 
1982 11 11.71    .23   5.97 
1982 12  9.84  -2.50   3.67 
1983 01  1.13  -6.09  -2.48 
1983 02  4.37  -5.66   -.64 
1983 03  8.26  -1.51   3.37 
1983 04 11.99   2.20   7.09 
1983 05 18.41   7.17  12.79 
1983 06 23.88  12.87  18.37 
1983 07 27.11  15.05  21.08 
1983 08 26.77  15.14  20.95 
1983 09 23.06  10.55  16.80 
1983 10 15.30   5.04  10.17 
1983 11 11.03    .36   5.69 
1983 12   .84  -8.58  -3.87 
1984 01  -.63  -9.43  -5.03 
1984 02  6.94  -2.84   2.05 
1984 03  3.62  -5.60   -.99 
1984 04 12.53   2.33   7.43 
1984 05 17.73   6.86  12.29 
1984 06 24.71  13.14  18.92 
1984 07 23.69  12.85  18.27 
1984 08 25.25  14.33  19.79 
1984 09 20.41   8.14  14.28 
1984 10 17.95   7.98  12.96 
1984 11  7.62  -2.82   2.40 
1984 12  9.26   -.92   4.17 
1985 01 -1.85 -10.47  -6.16 
1985 02  1.69  -7.82  -3.06 
1985 03 10.33  -1.35   4.48 
1985 04 18.09   5.71  11.90 
1985 05 20.93   9.53  15.23 
1985 06 21.99  11.11  16.54 
1985 07 24.98  14.18  19.58 
1985 08 24.33  13.43  18.88 
1985 09 23.07  10.34  16.70 
1985 10 17.87   6.27  12.07 
1985 11 12.82   3.24   8.03 
1986 01  1.84  -8.76  -3.46 
1986 02  3.23  -6.46  -1.61 
1986 03  9.05  -4.36   2.34 
1986 04 17.43   3.52  10.47 
1986 06 23.27  11.09  17.18 
1986 07 26.16  14.47  20.31 
1986 08 24.07  10.91  17.49 
1986 09 22.00   9.21  15.60 
1986 10 15.94   7.09  11.51 
1986 12  2.55  -3.98   -.71 
1987 01   .34  -5.88  -2.77 
1987 02  3.04  -5.87  -1.41 
1987 03 10.67  -1.57   4.55 
1987 04 12.52   3.00   7.76 
1987 05 21.21  10.29  15.75 
1987 07 26.19  16.79  21.49 
1987 08 25.60  14.96  20.28 
1987 09 20.73  12.61  16.67 
1987 10 13.35   2.30   7.82 
1987 11 12.35   2.18   7.26 
1987 12  4.29  -3.59    .35 
1988 01  -.23  -9.32  -4.77 
1988 03  7.23  -3.29   1.97 
1988 05 18.83   8.89  13.86 
1988 06 23.64  11.94  17.78 
1988 07 26.98  16.15  21.56 
1988 08 25.13  14.91  20.02 
1988 09 17.67   8.31  12.99 
1989 01  2.61  -5.90  -1.64 
1989 02  -.31 -99.99 -99.99 
1989 03  6.69  -3.39   1.65 
1989 04  9.78   -.91   4.43 
1989 09 18.29   9.79  14.04 
1989 10 13.59   4.29   8.94 
1990 04 12.01   1.38   6.69 
1990 08 20.50  11.63  16.06 
1990 09 17.51   8.78  13.14 
1991 01  -.62  -8.85  -4.73 
1991 04 12.23   2.61   7.41 
1991 09 17.17   7.50  12.33 
1992 01 -1.52 -99.99 -99.99 
1992 04  9.51    .90   5.20 
1992 06 17.54   9.09  13.31 
1992 07 20.09 -99.99 -99.99 
1992 08 19.08  10.62  14.85 
1992 09 17.93   8.04  12.98 
1992 10 10.87 -99.99 -99.99 
1992 12  -.35 -99.99 -99.99 
1993 02   .-2 -99.99 -99.99 
1993 03  4.55 -99.99 -99.99 
1993 04 13.65 -99.99 -99.99 
1993 05 19.84 -99.99 -99.99 
1993 07 26.12  16.79  21.45 
1993 08 25.05 -99.99 -99.99 
1993 10 14.49 -99.99 -99.99 
1993 12   .63 -99.99 -99.99 
1994 01 -2.73 -99.99 -99.99 
1994 02  1.98 -99.99 -99.99 
1994 06 25.04 -99.99 -99.99 
1994 07 24.04 -99.99 -99.99 
1994 09 19.56  10.13  14.84 
1994 12  4.71 -99.99 -99.99 
1995 03  9.67 -99.99 -99.99 
1996 01   .56 -99.99 -99.99 
1997 01   .39 -99.99 -99.99 
1997 02  4.71 -99.99 -99.99 
1997 06 22.09 -99.99 -99.99 
1997 07 24.06 -99.99 -99.99 
1997 09 19.50   9.80  14.65 
1997 10 14.49 -99.99 -99.99 
1997 11  4.98 -99.99 -99.99 
2012 05 23.72  13.05  18.38 
2012 06 24.56  13.92  19.24 
2012 07 28.56  18.33  23.44 
2012 08 26.52  15.77  21.14 
2012 09 21.83  11.59  16.70 
2012 10 16.17   5.63  10.90 
2012 11  7.21  -1.48   2.86 
2012 12  6.17   -.45   2.86 
2013 01  3.03  -5.25  -1.11 
2013 02  1.05  -7.51  -3.22 
2013 03  4.25  -4.15    . 4 
2013 04 16.59   4.50  10.54 
2013 05 20.56   9.68  15.12 
2013 06 23.47  15.06  19.26 
2013 07 25.90  16.99  21.44 
2013 08 24.48  14.88  19.68 
2013 09 21.83  11.20  16.51 
2013 10 15.98   7.32  11.65 
2013 11  7.28  -2.38   2.45 
2013 12  5.15  -3.04   1.05 
2014 01  -.76 -12.17  -6.46 
2014 02  1.67  -8.93  -3.63 
2014 03  6.41  -6.52    .-5 
2014 04 15.62   3.34   9.47 
2014 05 20.70  10.30  15.50 
