1992 05 16.91 -99.99 -99.99 
1992 06 20.20 -99.99 -99.99 
1992 08 20.55  14.97  17.76 
1992 09 16.36 -99.99 -99.99 
1992 10 13.46 -99.99 -99.99 
1992 11  9.50   6.46   7.98 
1993 01  5.08   1.27   3.17 
1993 02  7.10   2.95   5.02 
1993 05 16.34  10.89  13.61 
1993 06 18.18  13.49  15.83 
1993 07 18.12  14.41  16.26 
1993 08 19.75  15.52  17.63 
1993 09 17.92  13.79  15.85 
1993 10 13.48  10.50  11.99 
1993 11  8.39   5.29   6.84 
1994 01  8.29   6.01   7.15 
1994 02  6.26   3.16   4.71 
1994 03  9.82   5.95   7.88 
1994 04 12.34   8.47  10.41 
1994 05 15.99  11.31  13.65 
1994 06 16.99  12.66  14.82 
1994 07 21.33  15.85  18.59 
1994 08 20.57  16.25  18.41 
1994 09 17.68  14.02  15.85 
1994 10 12.74   9.28  11.01 
1994 11  8.28   4.94   6.60 
1995 01  7.08   4.16   5.62 
1995 02  8.21   5.04   6.62 
1995 05 17.04  11.94  14.49 
1995 06 18.86  13.86  16.36 
1995 07 20.74  15.90  18.32 
1995 08 18.35  14.53  16.44 
1995 09 18.85  14.76  16.80 
1995 10 12.29   9.45  10.87 
1995 11 10.87   6.99   8.93 
1995 12  7.33   4.30   5.81 
1996 01  6.02   2.91   4.46 
1996 02  7.36   3.36   5.36 
1996 03  9.20   5.48   7.34 
1996 04 11.80   7.76   9.78 
1996 05 13.35   9.10  11.22 
1996 06 17.29  12.80  15.04 
1996 07 20.64  15.61  18.12 
1996 08 20.25  15.79  18.02 
1996 09 15.62  12.21  13.91 
1996 10 11.99   8.83  10.41 
1996 11  7.69   4.77   6.23 
1996 12  5.17   1.73   3.45 
1997 01  6.42   3.59   5.00 
1997 02  7.45   4.40   5.92 
1997 03  8.53   4.76   6.64 
1997 04 11.53   6.94   9.23 
1997 05 15.77  11.13  13.45 
1997 06 18.03  13.32  15.67 
1997 07 20.97  16.25  18.61 
1997 08 22.67  17.39  20.02 
1997 09 18.85  14.45  16.65 
1997 10 13.06   9.97  11.52 
1997 11 10.53   7.27   8.89 
1997 12  8.63   5.33   6.98 
1998 01  7.40   4.10   5.75 
1998 02  9.43   6.30   7.86 
1998 03  9.95   6.76   8.35 
1998 04 12.85   8.10  10.47 
1998 05 16.04  11.73  13.89 
1998 06 19.89  14.41  17.15 
1998 07 22.56  17.12  19.84 
1998 08 22.81  17.69  20.25 
1998 09 19.36  15.09  17.22 
1998 10 13.54  10.14  11.84 
1998 11 99.99   7.84 -99.99 
1998 12  7.59   3.95   5.77 
1999 01  7.23   4.73   5.98 
2002 12  8.35   5.61   6.98 
2003 02  7.35   4.65   6.00 
2003 03  9.63   6.07   7.85 
2003 04 11.10   7.27   9.18 
2003 05 14.59 -99.99 -99.99 
2003 06 18.89  14.07  16.48 
2003 08 20.39  15.81  18.10 
2003 09 17.37  13.70  15.53 
2003 10 13.56  10.06  11.81 
2003 11  8.51 -99.99 -99.99 
2004 01  6.55   3.97   5.26 
2004 02  7.95   4.78   6.36 
2004 03 10.34   6.44   8.39 
2004 04 13.56   8.67  11.11 
2004 05 16.83  11.93  14.38 
2004 06 19.68  14.38  17.03 
2004 07 21.72  16.42  19.07 
2004 08 20.76  16.15  18.45 
2004 09 16.76  12.94  14.85 
2004 10 13.52   9.66  11.59 
2004 11 10.01   6.06   8.03 
2004 12 99.99   4.67 -99.99 
2005 01  7.37   3.10   5.23 
2005 02 99.99   3.30 -99.99 
2005 03 99.99   6.19 -99.99 
2005 04 99.99   7.42 -99.99 
2005 05 99.99  11.20 -99.99 
2005 06 99.99  12.76 -99.99 
2005 07 99.99  15.36 -99.99 
2005 08 99.99  16.08 -99.99 
2005 09 99.99  12.63 -99.99 
2005 10 99.99   9.47 -99.99 
2005 11 99.99   4.92 -99.99 
2005 12 99.99   4.37 -99.99 
2006 01 99.99   5.09 -99.99 
2006 02 99.99   3.07 -99.99 
2006 03 99.99   4.81 -99.99 
2006 04 99.99   6.77 -99.99 
2006 05 99.99   9.93 -99.99 
2006 06 99.99  13.71 -99.99 
2006 07 21.57  15.66  18.61 
2006 08 20.54  15.45  17.99 
2006 09 17.95  13.63  15.79 
2006 10 13.41   9.58  11.49 
2006 11  8.99   4.88   6.93 
2006 12  7.85   4.56   6.20 
2007 01  6.53   2.83   4.68 
2007 02  8.46   4.87   6.66 
2007 03  9.64   5.64   7.64 
2007 04 11.46   6.98   9.22 
2008 09 16.95  13.50  15.22 
2008 11 10.65   7.70   9.17 
2008 12  4.27   1.01   2.64 
2009 01  5.11   2.58   3.84 
2009 03  7.39   3.44   5.41 
2009 04 11.30 -99.99 -99.99 
2009 05 14.57   9.83  12.20 
2009 06 19.20  13.93  16.57 
2009 08 20.45  15.56  18.00 
2009 09 17.46  13.46  15.46 
2009 10 12.72   9.54  11.13 
2009 11  9.66   6.61   8.13 
2009 12  5.50   2.66   4.08 
2010 01  8.66   6.20   7.43 
2010 02  8.81   5.98   7.39 
2010 03  9.79   5.79   7.79 
2010 04 11.64   7.25   9.44 
2010 05 14.04   9.57  11.80 
2010 06 16.37  12.23  14.30 
2010 08 20.87  16.11  18.49 
2010 09 16.62  12.96  14.79 
2010 10 13.03   9.97  11.50 
2010 11  8.20   4.80   6.50 
2010 12  7.49   4.73   6.10 
2011 01  7.15   3.69   5.42 
2011 02  6.15   2.74   4.44 
2011 03  8.76   5.30   7.03 
2011 04  9.93   5.81   7.87 
2011 05 13.13   9.03  11.08 
2011 06 17.02  12.71  14.86 
2011 07 19.33  14.67  17.00 
2011 08 20.45  15.78  18.11 
2011 09 18.56  13.64  16.10 
2011 10 12.25   9.14  10.70 
2011 11  8.81   4.92   6.87 
2011 12  7.02   4.44   5.73 
2012 01  6.83   3.27   5.05 
2012 02  6.86   4.12   5.49 
2012 03  8.28   4.08   6.18 
2012 04 99.99   7.10 -99.99 
2012 05 14.77   9.96  12.36 
2012 06 16.37  11.81  14.09 
2012 07 20.37  15.17  17.77 
2012 11  9.47   6.50   7.98 
2012 12  6.85   4.25   5.55 
2013 01 99.99   3.37 -99.99 
2013 02 99.99   5.25 -99.99 
2013 03 99.99   5.71 -99.99 
2013 04 99.99   7.90 -99.99 
2013 05 99.99  10.82 -99.99 
2013 06 99.99  13.65 -99.99 
2013 07 99.99  16.54 -99.99 
2013 08 20.55  16.07  18.31 
2013 09 18.15  14.24  16.19 
2013 10 11.50   8.85  10.18 
2013 11  9.03   6.21   7.62 
2013 12  5.95   3.36   4.65 
2014 01  6.92   4.37   5.64 
2014 02  5.74   2.25   3.99 
2014 03  9.04   5.19   7.11 
2014 04 11.70   7.53   9.61 
2014 05 16.25  11.78  14.01 
