1983 07 19.10  11.44  15.27 
1983 08 22.40  13.79  18.09 
1983 09 17.10  10.03  13.56 
1983 10 11.84   6.98   9.41 
1983 11  7.70   4.78   6.24 
1983 12  1.68  -1.48    . 9 
1984 01  4.66   1.97   3.31 
1984 02  6.34   3.34   4.84 
1984 03  9.52   4.44   6.98 
1984 04 11.47   4.69   8.08 
1984 05 14.13   6.44  10.28 
1984 06 17.84 -99.99 -99.99 
1984 07 22.44 -99.99 -99.99 
1984 08 21.38  13.88  17.62 
1984 09 17.52  10.70  14.11 
1984 10 11.40   6.47   8.93 
1984 11  7.20   3.03   5.11 
1984 12  3.10   -.82   1.14 
1985 01  5.24    .94   3.09 
1985 02  5.77    .84   3.30 
1985 03  8.74   2.02   5.38 
1985 04 11.58   5.17   8.37 
1985 05 16.23   8.89  12.56 
1985 06 19.32  11.07  15.19 
1985 07 25.53  15.63  20.58 
1985 08 21.87  13.16  17.51 
1985 09 17.08  10.38  13.73 
1985 10 11.81   6.52   9.16 
1985 11  3.00  -2.00    .50 
1985 12  4.44    .-2   2.21 
1986 01  8.71   3.35   6.03 
1986 11  7.90   3.45   5.67 
1986 12  7.11   2.29   4.69 
1987 01  6.65   1.52   4.08 
1987 02  8.81   3.54   6.17 
1987 03 10.87   4.17   7.52 
1987 04 14.20   6.18  10.18 
1987 05 17.37   8.50  12.93 
1987 06 20.82  11.37  16.09 
1987 07 21.55  13.73  17.64 
1987 08 22.84  13.13  17.98 
1987 09 19.83  11.38  15.60 
1987 10 15.42   8.16  11.79 
1987 11  9.97   5.23   7.60 
1987 12  5.58   1.15   3.36 
1988 01  6.59   1.14   3.86 
1988 02  7.86   2.33   5.09 
1988 03  9.64   3.43   6.54 
1988 04 13.54   5.40   9.47 
1988 05 16.45   7.90  12.17 
1988 06 19.57  10.65  15.11 
1988 07 22.50  12.98  17.74 
1988 08 22.43  13.24  17.83 
1988 09 19.54  10.39  14.96 
1988 10 14.11   8.03  11.07 
1988 11  8.92   3.80   6.36 
1988 12  6.56   2.15   4.35 
1989 01  5.60    .19   2.89 
1989 02  4.34  -1.54   1.40 
1989 03  8.74   2.26   5.50 
1989 04 15.66   6.46  11.06 
1989 05 17.00   8.97  12.99 
1989 06 21.05  11.84  16.44 
1989 07 22.05  12.97  17.51 
1989 08 21.32  12.97  17.14 
1989 09 21.00  11.40  16.20 
1989 10 13.45   7.27  10.36 
1989 11  8.66   4.05   6.35 
1989 12  6.69   2.92   4.80 
1990 01  6.44   1.47   3.95 
1990 02  6.14   -.70   2.72 
1990 03 99.99   3.24 -99.99 
1990 04 14.87   6.68  10.77 
1990 05 16.33   8.57  12.45 
1990 06 18.91  10.64  14.77 
1990 07 24.53  14.37  19.45 
1990 08 23.69  14.53  19.11 
1990 09 21.05  11.87  16.45 
1990 10 12.90   5.17   9.03 
1990 11  8.89   3.10   6.00 
1990 12  2.64  -2.73    .-4 
1991 02 10.98   4.11   7.54 
1991 03  9.14   1.74   5.44 
1991 04 13.39   4.84   9.11 
1991 05 15.91   8.20  12.05 
1991 06 18.27   9.87  14.07 
1991 07 22.85  13.07  17.95 
1991 08 21.85  13.55  17.70 
1991 09 21.09  10.91  16.00 
1991 10 14.06   6.85  10.45 
1991 11  9.59   4.66   7.12 
1991 12  7.41   3.47   5.44 
1992 01  8.39   3.50   5.95 
1992 02  9.97   4.88   7.43 
1992 03 13.95   6.25  10.10 
1992 04 14.93   6.89  10.91 
1992 05 19.46  10.05  14.76 
1992 06 22.22  13.48  17.84 
1992 07 22.52  14.92  18.72 
1992 08 23.07  14.33  18.70 
1992 09 18.71   9.88  14.29 
1992 10 13.57   8.59  11.08 
1992 12  3.23    .26   1.74 
1993 01  3.48  -1.03   1.22 
1993 02  8.02   2.08   5.05 
1993 03 11.92 -99.99 -99.99 
1993 04 13.48   6.50   9.99 
1993 05 19.37  10.68  15.02 
1993 06 19.95  12.17  16.06 
1993 07 20.69  13.10  16.89 
1993 09 21.36  11.50  16.43 
1993 10 99.99   9.32 -99.99 
1993 11  7.62   2.85   5.23 
1993 12  6.06   2.94   4.50 
1994 01  7.45   4.48   5.96 
1994 02  6.43   1.23   3.83 
1994 03 11.42   3.97   7.69 
1994 04 14.91   7.20  11.05 
1994 05 19.62   9.84  14.73 
1994 06 19.58  11.35  15.46 
1994 07 25.00  14.35  19.67 
1994 08 24.05  14.61  19.33 
1994 09 20.85  12.55  16.70 
1994 10 14.03   7.76  10.89 
1994 12  6.53   2.23   4.38 
1995 01  7.59   2.40   4.99 
1995 02  9.54   2.94   6.24 
1995 03 11.24   3.81   7.52 
1995 04 15.15   6.32  10.73 
1995 06 99.99  12.69 -99.99 
1995 07 23.95  15.53  19.74 
1995 08 21.68  12.89  17.28 
1995 09 22.22  13.58  17.90 
1995 10 13.13 -99.99 -99.99 
1995 11 10.83   5.12   7.97 
1995 12  7.72   3.34   5.53 
1996 01  6.02 -99.99 -99.99 
1996 03 11.07   4.06   7.56 
1996 05 15.97   8.13  12.05 
1996 07 24.75  14.10  19.42 
1996 10 13.39   7.20  10.29 
1996 12  5.00 -99.99 -99.99 
1997 01  6.00 -99.99 -99.99 
1997 02  9.10 -99.99 -99.99 
1997 03  9.80 -99.99 -99.99 
1997 04 14.80 -99.99 -99.99 
1997 05 20.00 -99.99 -99.99 
1997 06 20.10 -99.99 -99.99 
1997 07 23.20 -99.99 -99.99 
1997 08 24.40 -99.99 -99.99 
1997 09 21.40 -99.99 -99.99 
1997 10 13.40 -99.99 -99.99 
1997 11 11.30 -99.99 -99.99 
1997 12  7.80 -99.99 -99.99 
1998 01  6.80 -99.99 -99.99 
1998 02  9.70 -99.99 -99.99 
1998 03 12.00 -99.99 -99.99 
1998 04 16.00 -99.99 -99.99 
1998 05 18.29 -99.99 -99.99 
1998 06 22.00 -99.99 -99.99 
1998 07 24.60 -99.99 -99.99 
1998 08 24.80 -99.99 -99.99 
1998 09 22.20 -99.99 -99.99 
1998 10 15.00 -99.99 -99.99 
1998 11 10.70 -99.99 -99.99 
1998 12  7.60 -99.99 -99.99 
1999 01  7.80 -99.99 -99.99 
1999 02  8.50 -99.99 -99.99 
1999 03 10.40 -99.99 -99.99 
1999 04 15.90 -99.99 -99.99 
1999 05 17.50 -99.99 -99.99 
1999 06 19.60 -99.99 -99.99 
1999 07 23.60 -99.99 -99.99 
1999 08 24.80 -99.99 -99.99 
1999 09 21.90 -99.99 -99.99 
1999 10 15.00 -99.99 -99.99 
1999 11  9.60 -99.99 -99.99 
1999 12  6.50 -99.99 -99.99 
2000 01  5.60 -99.99 -99.99 
2000 02  9.60 -99.99 -99.99 
2000 03 11.10 -99.99 -99.99 
2000 04 15.40 -99.99 -99.99 
2000 05 17.60 -99.99 -99.99 
2000 06 19.50 -99.99 -99.99 
2000 09 21.30 -99.99 -99.99 
2000 10 15.00 -99.99 -99.99 
2000 11  8.50 -99.99 -99.99 
2000 12  5.80 -99.99 -99.99 
2001 01  7.40 -99.99 -99.99 
2001 02  8.39 -99.99 -99.99 
2001 03 11.30 -99.99 -99.99 
2001 04 14.70 -99.99 -99.99 
2001 05 17.40 -99.99 -99.99 
2001 06 20.00 -99.99 -99.99 
2001 07 22.70 -99.99 -99.99 
2001 08 22.10  13.85  17.97 
2001 09 19.29 -99.99 -99.99 
2001 11 10.30 -99.99 -99.99 
2001 12  5.90 -99.99 -99.99 
2002 01  6.90 -99.99 -99.99 
2002 02  8.30 -99.99 -99.99 
2002 03  6.90 -99.99 -99.99 
2002 04 14.00 -99.99 -99.99 
2002 05 16.90 -99.99 -99.99 
2002 06 22.30 -99.99 -99.99 
2002 07 26.00 -99.99 -99.99 
2002 08 24.20 -99.99 -99.99 
2002 09 20.50 -99.99 -99.99 
2002 10 14.50 -99.99 -99.99 
2002 11 11.70 -99.99 -99.99 
2002 12  8.89 -99.99 -99.99 
2003 02  9.60 -99.99 -99.99 
2003 03 10.40 -99.99 -99.99 
2003 04 14.10 -99.99 -99.99 
2003 05 18.10 -99.99 -99.99 
2003 06 23.50 -99.99 -99.99 
2003 07 25.10 -99.99 -99.99 
2003 09 20.10 -99.99 -99.99 
2003 10 15.60 -99.99 -99.99 
2004 01  5.50 -99.99 -99.99 
2004 02  9.50 -99.99 -99.99 
2004 03 12.50 -99.99 -99.99 
2004 04 17.60 -99.99 -99.99 
2004 05 19.60 -99.99 -99.99 
2004 06 21.90 -99.99 -99.99 
2004 08 24.10 -99.99 -99.99 
2004 09 18.10 -99.99 -99.99 
2004 10 14.30 -99.99 -99.99 
