1997 05 99.99  12.90 -99.99 
1997 06 99.99  10.10 -99.99 
1997 07 99.99  11.00 -99.99 
1997 08 25.30  10.70  18.00 
1997 09 29.80  16.20  23.00 
1997 11 99.99  19.50 -99.99 
1998 01 99.99  21.20 -99.99 
1998 03 99.99  18.90 -99.99 
1998 04 23.50  17.00  20.25 
1998 05 23.80  11.30  17.54 
1998 07 99.99  12.60 -99.99 
1998 09 28.00  12.80  20.40 
1998 10 32.50  17.40  24.95 
1998 11 28.70  18.10  23.40 
1998 12 99.99  19.10 -99.99 
1999 01 99.99  18.29 -99.99 
1999 02 99.99  20.40 -99.99 
1999 03 28.30  20.50  24.40 
1999 04 22.10  13.90  18.00 
1999 05 22.20  14.30  18.25 
1999 06 99.99  11.30 -99.99 
1999 07 20.10   8.80  14.45 
1999 08 99.99   9.60 -99.99 
1999 10 30.50  15.60  23.05 
1999 11 99.99  16.60 -99.99 
2000 01 33.00  21.20  27.10 
2000 02 32.40  20.90  26.65 
2000 03 27.20  19.50  23.35 
2000 05 99.99  13.50 -99.99 
2000 09 27.30  12.90  20.09 
2000 10 99.99  17.90 -99.99 
2000 12 30.70 -99.99 -99.99 
2001 01 33.80 -99.99 -99.99 
2001 02 31.10  21.30  26.20 
2001 04 26.20  17.20  21.70 
2001 05 21.10  12.40  16.75 
2001 06 22.90  12.00  17.45 
2001 07 24.60  10.50  17.54 
2001 08 28.90  13.20  21.05 
2001 09 25.50  13.90  19.70 
2001 10 29.40  18.90  24.15 
2001 11 30.10  19.40  24.75 
2001 12 31.90  19.50  25.70 
2002 01 33.00  21.30  27.15 
2002 02 29.60  20.00  24.80 
2002 03 30.90  21.30  26.09 
2002 04 25.10  17.29  21.20 
2002 05 24.30  15.80  20.04 
2002 06 19.29  11.00  15.15 
2002 07 22.80   9.30  16.04 
2002 08 28.90  13.70  21.30 
2002 09 29.40  14.50  21.95 
2002 10 32.90  19.60  26.25 
2002 11 33.50 -99.99 -99.99 
2002 12 29.90  20.60  25.25 
2003 01 30.80  21.20  26.00 
2003 02 32.30  19.70  26.00 
2003 03 29.00  20.20  24.60 
2003 04 25.90  16.29  21.09 
2003 05 24.90  13.70  19.29 
2003 06 23.00  13.70  18.35 
2003 07 22.20  10.10  16.15 
2003 08 24.00   9.50  16.75 
2003 10 31.80 -99.99 -99.99 
2003 11 34.50  18.60  26.55 
2003 12 30.30  19.29  24.80 
2004 01 32.20  21.30  26.75 
2004 02 31.00  20.10  25.55 
2004 03 29.20  20.00  24.60 
2004 04 26.30  18.70  22.50 
2004 05 19.70 -99.99 -99.99 
2004 07 22.00 -99.99 -99.99 
2004 08 25.10  11.30  18.20 
2004 09 29.70  15.00  22.35 
2004 10 33.40  17.90  25.65 
2004 11 30.60 -99.99 -99.99 
2004 12 31.60  20.60  26.10 
2005 02 30.25  21.41  25.83 
2005 03 28.60  19.49  24.04 
2005 04 22.63  16.44  19.53 
2005 05 22.93  14.18  18.55 
2005 06 20.27  14.54  17.40 
2006 02 30.17  20.98  25.57 
2006 03 27.80  20.29  24.05 
2006 04 25.22  18.03  21.62 
2006 05 21.64  12.83  17.23 
2006 06 21.23  14.86  18.04 
2006 07 23.61  12.89  18.25 
2006 08 24.66  12.02  18.34 
2006 09 27.60  13.66  20.63 
2006 10 31.02  19.89  25.45 
2006 11 30.02  20.19  25.10 
2006 12 30.92  21.29  26.10 
2007 01 30.13  21.99  26.06 
2007 02 29.81  20.89  25.34 
2007 03 27.78  20.09  23.93 
2007 04 25.18  17.75  21.46 
2007 05 20.21  12.22  16.21 
2007 06 21.35  11.24  16.29 
2007 07 21.17   6.88  14.02 
2007 08 20.72  10.20  15.45 
2007 09 27.82  16.70  22.26 
2007 10 31.41  20.24  25.82 
2007 11 31.78  19.14  25.46 
2007 12 31.44  21.07  26.25 
2008 01 29.80  21.34  25.57 
2008 04 25.46  16.53  20.99 
2008 05 22.81  13.77  18.29 
2008 06 19.10   8.39  13.74 
2008 07 24.89  14.82  19.85 
2008 08 25.14  12.67  18.90 
2008 09 27.16  13.33  20.24 
2008 10 29.43  18.36  23.89 
2008 11 32.93  20.97  26.95 
2008 12 32.36  21.70  27.03 
2009 03 29.68  20.54  25.11 
2009 04 27.36  18.94  23.15 
2009 05 23.51  16.07  19.79 
2009 06 21.15  10.30  15.72 
2009 07 20.64   9.58  15.11 
2009 08 26.73  12.26  19.49 
2009 09 27.05  15.45  21.25 
2009 10 32.36  19.85  26.10 
2009 11 34.65  23.17  28.91 
2009 12 29.90  21.61  25.75 
2010 01 31.24  21.39  26.31 
2010 02 31.23  22.57  26.90 
2010 05 21.08  11.78  16.43 
2010 06 19.57  11.82  15.69 
2010 07 20.70   8.79  14.74 
2010 08 23.29  11.01  17.15 
2010 09 28.07  16.19  22.13 
2010 10 30.26  18.29  24.28 
2010 11 32.61  19.50  26.05 
2011 02 28.60  20.98  24.79 
2011 03 27.32  19.39  23.35 
2011 04 25.11  17.86  21.48 
2011 05 22.20  14.98  18.59 
2011 06 19.81  11.02  15.41 
2011 07 20.06   9.68  14.87 
2011 08 25.04  12.32  18.68 
2011 09 31.31  16.66  23.98 
2011 10 31.04  19.31  25.17 
2011 11 33.81  21.06  27.43 
2011 12 31.12  20.58  25.85 
2012 04 24.59  19.23  21.91 
2012 05 23.74  15.63  19.68 
2012 06 21.18  12.78  16.98 
2012 07 19.99   9.68  14.84 
2013 07 22.24  10.76  16.50 
2013 12 34.72  22.97  28.84 
