1991 08 18.92   9.59  14.25 
1991 09 19.87   8.60  14.24 
1991 11 23.83 -99.99 -99.99 
1992 01 34.28  19.60  26.93 
1992 02 30.22  18.29  24.25 
1992 03 28.35  17.62  22.98 
1992 04 26.25  15.49  20.87 
1992 06 19.37 -99.99 -99.99 
1992 08 17.73   8.81  13.27 
1992 09 18.59   8.85  13.72 
1992 10 23.73 -99.99 -99.99 
1992 11 24.72  13.83  19.27 
1992 12 29.58  15.62  22.60 
1993 01 33.50  18.02  25.76 
1993 02 31.66  17.02  24.34 
1993 03 28.53  15.99  22.26 
1993 04 25.05  13.29  19.17 
1993 05 21.36  10.89  16.12 
1993 06 18.37   9.56  13.96 
1993 07 17.82   9.28  13.54 
1993 08 18.48   7.62  13.04 
1993 09 20.24   9.68  14.96 
1993 10 21.34   9.85  15.59 
1993 11 99.99  14.37 -99.99 
1994 06 18.95   9.49  14.22 
1994 07 18.99   9.33  14.16 
1994 08 20.15   9.42  14.78 
1994 09 22.25  10.96  16.60 
1994 10 23.95  11.42  17.68 
1994 11 99.99  15.14 -99.99 
1994 12 99.99  17.27 -99.99 
1995 01 33.13  19.48  26.30 
1995 02 33.41  19.35  26.38 
1995 03 32.14  18.28  25.21 
1995 04 25.93  14.48  20.20 
1995 05 21.25  11.02  16.13 
1995 06 18.16   8.29  13.22 
1995 07 18.10   9.80  13.95 
1995 08 19.48   9.88  14.68 
1995 09 20.87  10.73  15.80 
1995 10 24.13 -99.99 -99.99 
1995 11 25.47 -99.99 -99.99 
1995 12 28.71  16.34  22.52 
1996 01 32.15  17.42  24.78 
1996 02 35.82  20.16  27.99 
1996 03 99.99  16.56 -99.99 
1996 04 26.98  15.31  21.14 
1996 05 24.01  11.62  17.81 
1996 06 19.58  10.39  14.98 
1996 08 18.36   8.80  13.58 
1996 09 20.19  10.22  15.20 
1996 10 24.44  11.38  17.91 
1996 11 27.06  14.85  20.95 
1996 12 29.34  15.49  22.41 
1997 01 35.25  20.02  27.64 
1997 02 33.32  19.83  26.57 
1997 03 29.09  16.52  22.80 
1997 04 26.41  15.62  21.01 
1997 05 21.43  12.03  16.73 
1997 06 20.27  11.51  15.89 
1997 07 18.71   6.89  12.80 
1997 08 18.92   8.28  13.60 
1997 09 20.94  10.31  15.62 
1997 10 24.79  11.95  18.37 
1997 11 26.97  13.73  20.34 
1997 12 31.85  17.69  24.77 
1998 01 33.59  19.18  26.39 
1998 02 33.58  17.39  25.48 
1998 03 31.65  18.60  25.12 
1998 04 25.83  14.81  20.32 
1998 05 24.06  13.58  18.82 
1998 06 18.87  10.06  14.46 
1998 07 17.37   6.96  12.17 
1998 08 20.07  11.43  15.75 
1998 09 20.44   9.52  14.98 
1998 10 23.70  11.34  17.52 
1998 11 27.93  14.38  21.15 
1998 12 30.89  17.00  23.94 
1999 01 32.75  18.20  25.48 
1999 02 34.23  19.66  26.94 
1999 03 29.16  17.54  23.35 
1999 04 29.27  17.07  23.17 
1999 08 19.44   9.35  14.39 
1999 09 20.99   9.67  15.33 
1999 10 99.99  11.90 -99.99 
1999 11 28.86  15.19  22.02 
1999 12 33.25  18.59  25.92 
2000 01 31.47  18.87  25.17 
2000 02 32.86  18.58  25.72 
2000 03 30.04  17.31  23.67 
2000 04 26.90  14.99  20.94 
2000 05 22.86  10.76  16.81 
2000 06 20.58  10.20  15.39 
2000 07 18.64 -99.99 -99.99 
2000 08 99.99   8.16 -99.99 
2000 09 21.62  10.58  16.10 
2000 10 25.14  11.15  18.14 
2000 11 27.32  14.69  21.00 
2000 12 31.71 -99.99 -99.99 
2001 01 31.97  17.64  24.80 
2001 02 31.43  17.90  24.66 
2001 03 30.06  16.29  23.17 
2001 04 27.46 -99.99 -99.99 
2001 05 22.10  11.18  16.64 
2001 06 20.27   7.53  13.90 
2001 07 19.14   7.45  13.29 
2001 08 18.85   7.36  13.10 
2001 09 20.12   9.71  14.91 
2001 10 22.54  10.65  16.59 
2001 11 27.83  14.67  21.25 
2001 12 27.78  14.22  21.00 
2002 01 32.05  17.75  24.90 
2002 02 31.68  17.45  24.56 
2002 03 30.13  16.20  23.16 
2002 04 25.59  14.77  20.18 
2002 05 23.32  12.95  18.13 
2002 06 19.33   9.93  14.63 
2002 07 19.08  10.13  14.60 
2002 08 19.12   7.29  13.20 
2002 09 20.29   9.67  14.98 
2002 10 22.89  12.28  17.58 
2002 11 27.97  13.87  20.92 
2002 12 99.99  17.76 -99.99 
2003 01 32.20  17.92  25.06 
2003 02 32.31  18.61  25.46 
2003 03 31.21  17.87  24.54 
2003 04 99.99  15.37 -99.99 
2003 05 24.32  13.75  19.03 
2003 06 19.70   9.12  14.41 
2003 07 18.28   8.41  13.34 
2003 08 18.73   8.49  13.61 
2003 09 20.24  10.38  15.31 
2003 10 23.12  11.39  17.25 
2003 11 28.84  15.61  22.22 
2003 12 29.84  15.46  22.65 
2004 01 33.31 -99.99 -99.99 
2004 02 33.50  19.83  26.66 
2004 03 30.34  16.40  23.37 
2004 04 27.72  15.27  21.49 
2004 05 21.94  11.02  16.48 
2004 06 19.96  11.59  15.78 
2004 07 18.26   7.80  13.03 
2004 08 17.79   8.35  13.07 
2004 09 20.74   9.34  15.04 
2004 10 23.67  11.88  17.77 
2004 11 26.07  14.86  20.46 
2004 12 31.56  16.64  24.09 
2005 01 32.03  16.91  24.47 
2005 02 31.75  17.28  24.51 
2005 03 31.54  18.43  24.98 
2005 04 25.41 -99.99 -99.99 
2005 05 23.88  15.56  19.71 
2005 06 18.12   9.89  14.01 
2005 07 18.89   8.06  13.47 
2005 08 18.73   8.43  13.58 
2005 09 19.62   9.47  14.55 
2005 10 21.32  10.43  15.87 
2005 11 25.80  12.96  19.37 
2005 12 25.01  13.82  19.41 
2006 01 30.59  17.53  24.06 
2006 02 32.55  18.20  25.38 
2006 03 31.10 -99.99 -99.99 
2006 04 23.53  12.90  18.21 
2006 05 22.84  11.49  17.16 
2006 06 20.71 -99.99 -99.99 
2006 07 19.20   7.19  13.19 
2006 08 20.60  10.02  15.31 
2006 09 21.10  11.13  16.11 
2006 10 25.11  12.59  18.85 
2006 11 28.38  16.21  22.30 
2006 12 31.76  17.03  24.39 
2007 01 30.76 -99.99 -99.99 
2007 02 32.00  17.91  24.95 
2007 03 31.37  16.66  24.01 
2007 04 26.09  13.74  19.91 
2007 05 21.45  11.63  16.54 
2007 06 20.11  10.58  15.34 
2007 07 19.75  11.48  15.61 
2007 08 19.41   9.77  14.59 
2007 09 20.59  10.07  15.33 
2007 10 23.59  11.22  17.40 
2007 11 29.76  15.13  22.44 
2007 12 28.97  14.88  21.92 
2008 01 34.24  18.45  26.35 
2008 02 33.28  19.39  26.33 
2008 03 30.36  17.04  23.70 
2008 04 24.62  13.68  19.15 
2008 05 23.00  11.47  17.23 
2008 06 20.29 -99.99 -99.99 
2008 07 18.18   7.77  12.97 
2008 08 19.70   7.60  13.65 
2008 09 20.78  10.22  15.50 
2008 10 99.99  12.72 -99.99 
2008 11 24.34  12.93  18.63 
2008 12 28.93  15.51  22.22 
2009 01 34.18  18.66  26.42 
2009 02 32.81  18.20  25.50 
2009 03 30.05  15.82  22.93 
2009 04 28.61  15.45  22.03 
2009 05 24.63  12.21  18.42 
2009 06 19.01   9.70  14.35 
2009 07 18.04   8.24  13.14 
2009 08 18.94   9.78  14.36 
2009 09 19.08   9.85  14.46 
2009 10 24.51  12.26  18.38 
2009 11 28.16  14.34  21.25 
2009 12 32.81  17.16  24.98 
2010 01 35.41  19.75  27.58 
2010 02 33.73  19.02  26.37 
2010 03 31.42  18.37  24.89 
2010 04 26.09  14.39  20.24 
2010 05 22.55 -99.99 -99.99 
2010 06 19.66   8.42  14.04 
2010 07 18.33 -99.99 -99.99 
2010 08 19.94   7.37  13.65 
2010 09 22.62 -99.99 -99.99 
2010 10 25.52  11.40  18.45 
2010 11 30.67 -99.99 -99.99 
2011 01 34.09  19.26  26.67 
2011 02 35.68 -99.99 -99.99 
2011 04 28.16 -99.99 -99.99 
2011 05 23.94 -99.99 -99.99 
2011 06 19.89  11.30  15.59 
2011 08 20.80 -99.99 -99.99 
2011 09 21.18 -99.99 -99.99 
2011 10 25.10 -99.99 -99.99 
2011 11 26.42 -99.99 -99.99 
2011 12 30.90 -99.99 -99.99 
2012 01 34.11  20.56  27.33 
2012 05 23.77 -99.99 -99.99 
2012 07 19.42 -99.99 -99.99 
2012 08 20.33   9.25  14.79 
2012 09 21.84  10.75  16.29 
2012 10 25.36  12.51  18.93 
2012 12 32.45 -99.99 -99.99 
2013 01 33.31 -99.99 -99.99 
2013 04 28.55 -99.99 -99.99 
2013 09 20.46 -99.99 -99.99 
2013 12 31.90  17.16  24.53 
2014 01 33.77  18.23  26.00 
2014 02 34.58  18.82  26.70 
2014 03 31.45  17.93  24.69 
2014 04 27.36 -99.99 -99.99 
2014 05 99.99  13.19 -99.99 
