1978 05 15.33   5.03  10.18 
1978 06 18.24   8.89  13.57 
1978 07 19.45  10.94  15.19 
1978 08 18.25  10.46  14.35 
1978 09 11.68   6.68   9.18 
1979 02 -6.74 -14.96 -10.85 
1979 03  1.14  -4.79  -1.82 
1979 05 17.90   7.17  12.53 
1979 06 21.50  10.38  15.94 
1979 07 18.31  10.86  14.58 
1979 08 20.35  11.54  15.94 
1979 09 13.44   6.81  10.12 
1979 10  6.97   1.00   3.98 
1979 11  1.58   -.88    .35 
1979 12 -1.37  -5.33  -3.35 
1980 02 -6.21 -11.31  -8.76 
1980 03 -1.63 -11.60  -6.61 
1980 04  8.00    .68   4.34 
1980 05 11.34   2.93   7.13 
1980 06 22.04  10.69  16.36 
1980 07 19.90  11.87  15.88 
1980 08 18.07  10.67  14.37 
1980 09 14.08   7.28  10.68 
1980 10  7.85   3.19   5.52 
1980 11  -.48  -4.10  -2.29 
1981 01 -3.50  -7.10  -5.30 
1981 02 -3.57  -8.83  -6.20 
1981 03  -.68  -9.54  -5.11 
1981 04  5.59  -1.48   2.05 
1981 05 17.90   6.17  12.03 
1981 07 21.90  13.17  17.53 
1981 08 17.56  11.07  14.31 
1981 10  9.62   4.59   7.10 
1981 11   .46  -2.14   -.84 
1982 11  4.00    .49   2.24 
1982 12   .26  -3.15  -1.44 
1983 05 18.44   9.07  13.75 
1983 06 18.07   9.88  13.97 
1983 07 20.77  12.14  16.45 
1983 08 20.59  10.42  15.50 
1983 10  8.67   3.24   5.95 
1983 12 -1.71  -5.81  -3.76 
1984 01 -2.82  -6.99  -4.90 
1984 02 -4.83 -11.57  -8.20 
1984 03   .17  -6.65  -3.24 
1984 06 18.04   9.10  13.57 
1984 10 10.22   4.80   7.51 
1984 11  -.64  -3.99  -2.31 
1984 12 -3.22  -6.77  -4.99 
1985 03   .10  -4.96  -2.43 
1985 04  5.58  -1.34   2.11 
1985 06 16.79   9.54  13.17 
1985 07 19.09  11.99  15.54 
1985 09 13.02   6.70   9.86 
1985 12 -4.07  -8.72  -6.39 
1986 01 -4.61  -8.91  -6.76 
1986 02 -9.42 -17.14 -13.28 
1986 03  3.49  -3.26    .11 
1986 04  8.91    .74   4.82 
1986 06 21.35  11.35  16.35 
1986 07 21.34  12.35  16.84 
1986 10  8.05   2.45   5.25 
1986 12 -6.26 -12.19  -9.22 
1987 02 -2.95  -7.68  -5.31 
1987 03  -.97  -9.71  -5.34 
1987 04  6.38  -1.75   2.31 
1987 06 17.69  10.43  14.06 
1987 07 19.27  11.21  15.24 
1989 02  2.58  -2.11    .23 
1989 03  4.19    .-3   2.08 
1990 11  5.12   1.58   3.35 
1990 12  2.06  -1.39    .33 
1991 01  2.61  -1.28    .66 
1991 02 -1.26  -4.80  -3.03 
1991 03  3.15 -99.99 -99.99 
1991 04  8.31 -99.99 -99.99 
1991 05 13.11 -99.99 -99.99 
1991 06 15.30   9.67  12.48 
1991 07 21.82  13.20  17.51 
1991 08 22.02  14.57  18.29 
1991 09 16.33 -99.99 -99.99 
1991 10 10.78 -99.99 -99.99 
1991 12 99.99   -.52 -99.99 
1992 02 99.99   -.76 -99.99 
1992 03  4.03    .68   2.35 
1992 05 99.99   7.80 -99.99 
1992 06 99.99  11.42 -99.99 
1992 07 99.99  13.53 -99.99 
1992 09 99.99  11.53 -99.99 
1992 10 99.99   1.35 -99.99 
1992 11 99.99   1.20 -99.99 
1993 03 99.99  -1.05 -99.99 
1993 05 99.99   9.09 -99.99 
1993 08 99.99  12.52 -99.99 
1993 09 99.99   5.62 -99.99 
1994 02 -6.28 -99.99 -99.99 
1994 03 99.99  -3.08 -99.99 
1994 04 10.68   2.57   6.62 
1994 05 14.15   4.48   9.31 
1994 06 16.02   8.68  12.35 
1994 07 24.18 -99.99 -99.99 
1994 09 15.99 -99.99 -99.99 
1994 11 99.99    .52 -99.99 
1995 01 99.99  -3.24 -99.99 
1995 03  3.27   -.12   1.57 
1995 04  8.35   1.78   5.06 
1995 05 13.58   5.87   9.72 
1995 06 20.27  13.16  16.71 
1995 07 20.63 -99.99 -99.99 
1995 08 21.39  12.06  16.72 
1995 09 16.53   9.67  13.10 
1995 10 12.50   7.39   9.94 
1995 12 99.99  -5.64 -99.99 
1996 01 99.99  -6.06 -99.99 
1996 02 99.99 -11.90 -99.99 
1996 03   .23 -99.99 -99.99 
1996 04  6.94  -2.46   2.24 
1996 05 14.13 -99.99 -99.99 
1996 06 17.08 -99.99 -99.99 
1996 07 18.81 -99.99 -99.99 
1996 08 22.29 -99.99 -99.99 
1996 09 14.28 -99.99 -99.99 
1996 10 10.22 -99.99 -99.99 
1997 02  1.89 -99.99 -99.99 
1997 03  4.17  -4.05    . 6 
1997 04  6.97 -99.99 -99.99 
1997 05 13.19 -99.99 -99.99 
1997 06 20.54 -99.99 -99.99 
1997 07 23.47  13.73  18.59 
1997 08 23.80  14.65  19.22 
1997 09 16.02 -99.99 -99.99 
1997 10  8.04 -99.99 -99.99 
1998 03  2.00 -99.99 -99.99 
1998 04  8.26   1.15   4.70 
1998 05 15.06 -99.99 -99.99 
1998 08 18.41  11.64  15.02 
1998 09 16.20 -99.99 -99.99 
1998 10 10.44 -99.99 -99.99 
1999 02 99.99  -6.63 -99.99 
1999 03  2.49 -99.99 -99.99 
1999 04 10.33 -99.99 -99.99 
1999 06 21.13 -99.99 -99.99 
1999 07 23.17 -99.99 -99.99 
1999 08 21.05 -99.99 -99.99 
1999 09 18.56 -99.99 -99.99 
1999 10 10.67 -99.99 -99.99 
2000 02  2.70 -99.99 -99.99 
2000 03  4.23 -99.99 -99.99 
2000 04 11.25   2.87   7.06 
2000 05 14.53 -99.99 -99.99 
2000 06 17.79  10.12  13.95 
2000 07 20.68 -99.99 -99.99 
