1987 01 99.99 -99.99   7.80 
1987 02 99.99 -99.99  11.10 
1987 03 99.99 -99.99  12.80 
1987 04 99.99 -99.99  18.29 
1987 05 99.99 -99.99  24.00 
1987 06 99.99 -99.99  26.80 
1987 07 99.99 -99.99  29.10 
1987 08 99.99 -99.99  30.70 
1987 09 99.99 -99.99  25.10 
1987 10 99.99 -99.99  20.00 
1987 11 99.99 -99.99  13.90 
1987 12 99.99 -99.99   9.39 
1988 01 99.99 -99.99   6.80 
1988 02 99.99 -99.99   9.60 
1988 03 99.99 -99.99  14.40 
1988 04 99.99 -99.99  19.20 
1988 05 99.99 -99.99  23.10 
1988 06 99.99 -99.99  26.60 
1988 07 99.99 -99.99  30.00 
1988 08 99.99 -99.99  31.20 
1988 09 99.99 -99.99  26.80 
1988 10 99.99 -99.99  20.29 
1988 11 99.99 -99.99  16.00 
1988 12 99.99 -99.99  10.40 
1989 01 99.99 -99.99  10.90 
1989 02 99.99 -99.99   7.10 
1989 03 99.99 -99.99  14.60 
1989 04 99.99 -99.99  20.10 
1989 05 99.99 -99.99  24.70 
1989 06 99.99 -99.99  26.10 
1989 07 99.99 -99.99  29.00 
1989 08 99.99 -99.99  28.80 
1989 09 99.99 -99.99  24.20 
1989 10 99.99 -99.99  21.30 
1989 11 99.99 -99.99  15.30 
1989 12 99.99 -99.99   4.69 
1990 01 99.99 -99.99  12.20 
1990 02 99.99 -99.99  12.70 
1990 03 99.99 -99.99  15.60 
1990 04 99.99 -99.99  19.29 
1990 05 99.99 -99.99  24.30 
1990 06 99.99 -99.99  30.20 
1990 07 99.99 -99.99  29.30 
1990 08 99.99 -99.99  30.60 
1990 09 99.99 -99.99  27.00 
1990 10 99.99 -99.99  19.79 
1990 11 99.99 -99.99  16.40 
1990 12 99.99 -99.99   8.30 
1991 01 99.99 -99.99   6.80 
1991 02 99.99 -99.99  12.10 
1991 03 99.99 -99.99  15.90 
1991 04 99.99 -99.99  20.70 
1991 05 99.99 -99.99  24.30 
1991 06 99.99 -99.99  27.40 
1991 07 99.99 -99.99  29.60 
1991 08 99.99 -99.99  28.60 
1991 09 99.99 -99.99  24.80 
1991 10 99.99 -99.99  21.10 
1991 11 99.99 -99.99  12.20 
1991 12 99.99 -99.99  11.20 
1992 01 99.99 -99.99   9.20 
1992 02 99.99 -99.99  12.80 
1992 03 99.99 -99.99  16.20 
1992 04 99.99 -99.99  19.60 
1992 05 99.99 -99.99  22.40 
1992 06 99.99 -99.99  27.40 
1992 07 99.99 -99.99  30.20 
1992 08 99.99 -99.99  27.50 
1992 09 99.99 -99.99  26.80 
1992 10 99.99 -99.99  21.60 
1992 11 99.99 -99.99  12.30 
1992 12 99.99 -99.99  10.70 
1993 01 99.99 -99.99   8.00 
1993 02 99.99 -99.99  10.20 
1993 03 99.99 -99.99  13.90 
1993 04 99.99 -99.99  17.70 
1993 05 99.99 -99.99  22.30 
1993 06 99.99 -99.99  27.80 
1993 07 99.99 -99.99  29.80 
1993 08 99.99 -99.99  30.40 
1993 09 99.99 -99.99  25.50 
1993 10 99.99 -99.99  18.10 
1993 11 99.99 -99.99  10.80 
1993 12 99.99 -99.99   9.80 
1994 01 99.99 -99.99   7.80 
1994 02 99.99 -99.99  10.10 
1994 03 99.99 -99.99  15.20 
1994 04 99.99 -99.99  18.90 
1994 05 99.99 -99.99  22.10 
1994 06 99.99 -99.99  28.30 
1994 07 99.99 -99.99  29.90 
1994 08 99.99 -99.99  29.20 
1994 09 99.99 -99.99  24.80 
1994 10 99.99 -99.99  20.10 
1994 12 99.99 -99.99  10.20 
1995 01 99.99 -99.99   9.89 
1995 02 99.99 -99.99  11.50 
1995 03 99.99 -99.99  13.70 
1995 04 99.99 -99.99  18.20 
1995 05 99.99 -99.99  22.80 
1995 06 99.99 -99.99  25.40 
1995 07 99.99 -99.99  29.00 
1995 08 99.99 -99.99  28.90 
1995 09 99.99 -99.99  25.00 
1995 10 99.99 -99.99  19.50 
1995 11 18.62   6.79  12.70 
1995 12 14.73   3.51   9.12 
1996 01 15.01   -.35   7.33 
1996 02 19.25   4.89  12.07 
1996 03 18.12   3.38  10.75 
1996 04 26.30 -99.99 -99.99 
1996 05 31.95  20.07  26.01 
1996 06 33.74  21.64  27.69 
1996 07 35.84  24.11  29.98 
1996 08 33.30  22.70  28.00 
1996 09 29.54  18.61  24.07 
1996 10 25.18  13.59  19.38 
1996 11 19.10   7.33  13.21 
1996 12 16.24   3.71   9.97 
1997 01 12.98   1.72   7.35 
1997 02 15.06 -99.99 -99.99 
1997 03 20.81 -99.99 -99.99 
1997 04 21.76  10.70  16.23 
1997 05 27.36 -99.99 -99.99 
1997 06 30.61  20.96  25.78 
1997 07 35.07  23.48  29.27 
1997 08 34.49  22.77  28.63 
1997 09 32.78 -99.99 -99.99 
1997 10 25.68  14.54  20.11 
1997 11 16.95   6.22  11.58 
1997 12 14.01   2.62   8.31 
1998 01 15.91   4.76  10.33 
1998 02 15.87   5.34  10.60 
1998 03 17.99   7.55  12.77 
1998 04 24.01  11.31  17.66 
1998 05 32.07  19.59  25.83 
1998 06 34.93  23.01  28.97 
1998 07 37.50  25.29  31.39 
1998 08 35.23  24.01  29.62 
1998 09 32.24  22.70  27.47 
1998 10 26.64  16.43  21.53 
1998 11 19.10  11.02  15.06 
1998 12 14.47   4.13   9.30 
1999 01 16.17   3.95  10.06 
1999 02 20.50   7.64  14.07 
1999 03 19.39   8.24  13.81 
1999 04 25.69  14.22  19.95 
1999 05 28.92  17.62  23.27 
1999 06 32.49  22.29  27.39 
1999 07 33.86  22.94  28.40 
1999 08 37.50  24.56  31.03 
1999 09 32.90  19.29  26.10 
1999 10 27.05  13.72  20.38 
1999 11 23.45   9.96  16.70 
1999 12 17.61   4.16  10.88 
2000 01 16.75   4.05  10.40 
2000 02 21.61   6.20  13.90 
2000 03 23.02   9.82  16.42 
2000 04 24.94  12.04  18.49 
2000 05 29.71  19.31  24.50 
2000 06 31.31  21.59  26.45 
2000 07 36.05  23.47  29.75 
2000 08 37.59  24.44  31.02 
2000 09 34.39  19.51  26.95 
2000 10 24.70  13.80  19.25 
2000 11 16.60   6.39  11.49 
2000 12 11.10   -.68   5.21 
2001 01 12.37    .54   6.45 
2001 02 17.67   5.40  11.53 
2001 03 16.96   4.76  10.86 
2001 04 26.81  12.63  19.71 
2001 05 30.06  16.78  23.42 
2001 06 33.16  20.16  26.66 
2001 07 36.43  22.41  29.42 
2001 08 36.00  23.89  29.94 
2001 09 30.17  18.28  24.22 
2001 10 26.82   9.14  17.98 
2001 11 20.16   6.93  13.54 
2002 01 14.45   1.94   8.19 
2002 02 16.09    .20   8.14 
2002 03 19.54   4.04  11.79 
2002 04 26.44  16.11  21.27 
2002 05 28.81  16.20  22.50 
2002 06 31.10  20.34  25.72 
2002 07 33.55  22.57  28.06 
2002 08 35.36  22.03  28.69 
2002 09 32.57  18.93  25.75 
2002 10 23.97  12.98  18.47 
2002 11 19.06   6.97  13.01 
2002 12 15.92 -99.99 -99.99 
2003 01 13.55   1.87   7.71 
2003 02 14.08   3.31   8.69 
2003 03 20.11   6.71  13.41 
2003 04 28.20 -99.99 -99.99 
2003 05 30.83  18.27  24.55 
2003 06 32.58 -99.99 -99.99 
2003 07 34.84  20.45  27.65 
2003 08 36.57  22.75  29.66 
2003 10 27.22 -99.99 -99.99 
2003 11 21.12 -99.99 -99.99 
2003 12 19.51   1.98  10.74 
2004 01 20.31   1.79  11.04 
2004 02 13.99   2.97   8.47 
2004 03 22.91  11.40  17.15 
2004 04 23.98  13.84  18.91 
2004 05 28.92  18.25  23.58 
2004 06 31.03  21.55  26.29 
2004 07 33.57  23.12  28.34 
2004 08 32.86  22.42  27.64 
2004 09 31.17  19.36  25.26 
2004 12 15.25   3.71   9.47 
2005 01 16.45   5.66  11.05 
2005 02 16.44   6.58  11.51 
2005 03 20.02   8.13  14.07 
2005 04 99.99 -99.99  18.90 
2005 05 99.99 -99.99  23.00 
2005 06 99.99 -99.99  28.00 
2005 07 99.99 -99.99  29.50 
2005 08 99.99 -99.99  29.40 
2005 09 99.99 -99.99  28.20 
2005 10 99.99 -99.99  20.40 
2005 11 99.99 -99.99  16.40 
2005 12 99.99 -99.99   8.89 
2006 01 99.99 -99.99  12.90 
2006 02 99.99 -99.99  10.40 
2006 03 99.99 -99.99  16.90 
2006 04 99.99 -99.99  22.70 
2006 05 99.99 -99.99  24.40 
2006 06 99.99 -99.99  27.70 
2006 07 99.99 -99.99  30.30 
2006 08 99.99 -99.99  31.60 
2006 09 99.99 -99.99  26.20 
2006 10 99.99 -99.99  20.70 
2006 11 99.99 -99.99  14.60 
2006 12 99.99 -99.99  10.40 
2007 01 99.99 -99.99   6.20 
2007 02 99.99 -99.99  10.20 
2007 03 99.99 -99.99  17.40 
2007 04 99.99 -99.99  17.00 
2007 05 99.99 -99.99  23.00 
2007 06 99.99 -99.99  26.80 
2007 07 99.99 -99.99  27.30 
2007 08 99.99 -99.99  29.70 
2007 09 99.99 -99.99  26.70 
2007 10 99.99 -99.99  21.30 
2007 11 99.99 -99.99  15.80 
2007 12 99.99 -99.99   9.70 
2008 01 99.99 -99.99   7.70 
2008 02 99.99 -99.99  12.20 
2008 03 99.99 -99.99  14.80 
2008 04 99.99 -99.99  18.70 
2008 05 99.99 -99.99  24.10 
2008 06 99.99 -99.99  28.90 
2008 07 99.99 -99.99  30.20 
2008 08 99.99 -99.99  29.10 
2008 09 99.99 -99.99  24.10 
2008 10 99.99 -99.99  19.50 
2008 11 99.99 -99.99  14.80 
2008 12 99.99 -99.99   9.20 
2009 01 99.99 -99.99   9.60 
2009 02 99.99 -99.99  13.80 
2009 03 99.99 -99.99  16.00 
2009 04 99.99 -99.99  18.29 
2009 05 99.99 -99.99  23.90 
2009 06 99.99 -99.99  29.80 
2009 07 99.99 -99.99  30.90 
2009 08 99.99 -99.99  31.00 
2009 09 99.99 -99.99  25.20 
2009 10 99.99 -99.99  18.50 
2009 11 99.99 -99.99  15.30 
2009 12 99.99 -99.99   6.80 
2010 01 99.99 -99.99   6.70 
2010 02 99.99 -99.99   6.50 
2010 03 99.99 -99.99  13.50 
2010 04 99.99 -99.99  19.29 
2010 05 99.99 -99.99  25.10 
2010 06 99.99 -99.99  29.70 
2010 07 99.99 -99.99  30.20 
2010 08 99.99 -99.99  31.80 
2010 09 99.99 -99.99  26.60 
2010 10 99.99 -99.99  20.29 
2010 11 99.99 -99.99  16.90 
2010 12 99.99 -99.99  10.60 
2011 01 99.99 -99.99   7.30 
2011 02 99.99 -99.99  10.60 
2011 03 99.99 -99.99  16.90 
2011 04 99.99 -99.99  22.50 
2011 05 99.99 -99.99  24.20 
2011 06 99.99 -99.99  30.80 
2011 07 99.99 -99.99  32.80 
2011 08 99.99 -99.99  33.80 
2011 09 99.99 -99.99  27.20 
2011 10 99.99 -99.99  20.10 
2011 11 99.99 -99.99  14.60 
2011 12 99.99 -99.99   9.00 
