1997 11 35.65  19.54  27.59 
1997 12 39.43  23.59  31.51 
1998 01 40.43  23.85  32.14 
1998 02 40.41  24.80  32.60 
1998 03 34.77  22.25  28.51 
1998 04 31.26  18.49  24.87 
1998 05 29.31  15.77  22.54 
1998 06 21.42   9.97  15.70 
1998 07 19.91   8.38  14.14 
1998 08 26.69  10.55  18.62 
1998 09 28.02  12.55  20.28 
1998 10 33.38  18.02  25.70 
1998 11 36.56  20.54  28.55 
1998 12 35.13  22.58  28.85 
1999 01 38.39  23.53  30.96 
1999 02 31.82  21.94  26.88 
1999 03 33.00  20.78  26.89 
1999 04 27.93  15.40  21.66 
1999 05 26.57 -99.99 -99.99 
1999 06 23.56   8.43  16.00 
1999 07 99.99   5.64 -99.99 
1999 08 26.25   9.26  17.75 
1999 09 99.99  10.65 -99.99 
1999 10 32.84  14.41  23.63 
1999 11 34.41  18.41  26.41 
1999 12 35.24 -99.99 -99.99 
2000 01 33.40 -99.99 -99.99 
2000 02 34.00  20.89  27.44 
2000 03 31.00  19.95  25.48 
2000 04 29.32 -99.99 -99.99 
2000 05 23.81   8.45  16.12 
2000 06 22.72   7.04  14.87 
2000 07 24.64   8.64  16.64 
2000 08 24.39   4.64  14.51 
2000 09 30.92  12.44  21.68 
2000 10 32.66  14.53  23.59 
2000 11 34.79  17.04  25.91 
2000 12 37.31  21.37  29.34 
2001 01 36.22  21.57  28.89 
2001 02 32.86  20.86  26.86 
2001 03 32.77  19.65  26.21 
2001 04 32.22  15.36  23.79 
2001 05 26.32  12.63  19.47 
2001 06 24.25   7.69  15.97 
2001 07 22.81   7.40  15.10 
2001 08 26.33   9.00  17.66 
2001 09 28.07  10.72  19.39 
2001 10 29.90  13.03  21.46 
2001 11 35.59  18.62  27.10 
2001 12 37.00  20.42  28.71 
2002 01 38.75  22.57  30.66 
2002 02 34.75  21.89  28.32 
2002 03 34.00  21.03  27.51 
2002 04 33.73  17.12  25.43 
2002 05 29.69  14.31  22.00 
2002 06 24.27   8.00  16.13 
2002 07 24.70   5.77  15.23 
2002 08 26.31   8.00  17.15 
2002 09 29.53  11.53  20.53 
2002 10 35.53  16.20  25.86 
2002 11 36.77  19.73  28.25 
2002 12 37.90  22.94  30.42 
2003 01 37.58  24.81  31.19 
2003 02 36.84  22.93  29.89 
2003 03 33.71  19.70  26.71 
2003 04 31.13  16.23  23.68 
2003 05 27.90  13.30  20.60 
2003 06 23.46   9.50  16.48 
2003 07 24.32   7.59  15.95 
2003 08 23.67   8.29  15.98 
2003 09 28.85  12.56  20.70 
2003 10 31.81  14.54  23.17 
2003 11 35.64  18.94  27.29 
2003 12 39.09  21.63  30.36 
2004 01 39.00  23.85  31.42 
2004 02 34.90  21.92  28.41 
2004 03 32.34  19.24  25.79 
2004 04 30.57  17.60  24.08 
2004 05 24.53  10.46  17.49 
2004 06 24.90   6.76  15.83 
2004 07 21.97   9.42  15.69 
2004 08 23.05   6.36  14.70 
2004 09 28.27  10.04  19.15 
2004 10 35.72  18.15  26.93 
2004 11 34.48  18.71  26.59 
2004 12 38.03  22.43  30.23 
2005 01 40.46  22.85  31.65 
2005 02 39.59  23.31  31.45 
2005 03 36.57  22.13  29.34 
2005 04 33.74 -99.99 -99.99 
2005 05 29.24 -99.99 -99.99 
2005 06 21.82 -99.99 -99.99 
2005 07 22.33 -99.99 -99.99 
2005 08 24.05   8.32  16.18 
2005 09 28.39  11.46  19.92 
2005 10 32.21  14.85  23.53 
2005 11 36.50  18.90  27.70 
2005 12 38.54  22.08  30.31 
2006 01 33.64  21.67  27.65 
2006 02 32.41 -99.99 -99.99 
2006 03 32.99  20.67  26.83 
2006 04 28.14  16.68  22.41 
2006 05 26.34  10.25  18.29 
2006 06 22.78   6.79  14.78 
2006 07 22.70   4.84  13.77 
2006 08 27.92   8.30  18.11 
2006 09 30.46  12.11  21.28 
2006 10 34.27  17.57  25.92 
2006 11 36.62  19.33  27.97 
2006 12 37.09  20.21  28.66 
2007 01 38.55  23.36  30.95 
2007 02 40.09  23.72  31.91 
2007 03 33.23  21.39  27.31 
2007 04 99.99  17.65 -99.99 
2007 05 28.11  11.59  19.85 
2007 06 23.20   5.50  14.35 
2007 07 23.54   8.60  16.07 
2007 08 25.79   7.65  16.72 
2007 11 37.03  20.21  28.62 
2007 12 37.25  20.11  28.68 
2008 02 34.55  21.54  28.04 
2008 03 34.18  19.66  26.92 
2008 04 31.11  17.09  24.10 
2008 05 28.79  10.30  19.54 
2008 06 23.29   8.99  16.14 
2008 07 23.86   6.00  14.93 
2008 08 24.54   8.43  16.49 
2008 11 33.06  16.45  24.76 
2008 12 37.21  20.54  28.87 
2009 01 38.57  21.94  30.25 
2009 02 35.00  21.88  28.44 
2009 03 35.61  18.25  26.93 
2009 04 31.10  15.84  23.47 
2009 05 26.07  10.63  18.35 
2009 06 22.61   8.42  15.51 
2009 07 23.29   7.63  15.46 
2009 08 26.70   8.05  17.37 
2009 09 29.66  10.49  20.07 
2009 10 34.63  15.36  24.99 
2009 11 35.36  18.67  27.01 
2010 02 40.52  23.16  31.84 
2010 03 37.71  22.12  29.91 
2010 04 34.28  18.02  26.15 
2010 05 27.37  10.96  19.16 
2010 06 26.01 -99.99 -99.99 
2010 07 22.84 -99.99 -99.99 
2010 08 24.89   9.97  17.43 
2010 09 27.79  11.46  19.62 
2010 10 33.54  16.58  25.06 
2010 11 35.93  20.46  28.20 
2010 12 37.75 -99.99 -99.99 
2011 01 36.37 -99.99 -99.99 
2011 02 32.96 -99.99 -99.99 
