1997 11 21.37   9.17  15.27 
1997 12 14.13   3.91   9.02 
1998 01 16.01   4.78  10.39 
2004 08 40.21  26.60  33.40 
2005 03 21.98  10.74  16.36 
2005 05 33.93  17.04  25.49 
2005 06 37.58 -99.99 -99.99 
2005 07 42.34  29.64  35.98 
2005 08 38.61  27.45  33.03 
2005 09 35.68  22.04  28.86 
2005 10 27.90  16.93  22.41 
2005 11 23.35  10.93  17.14 
2005 12 18.59   6.02  12.30 
2006 01 18.92 -99.99 -99.99 
2006 02 20.85 -99.99 -99.99 
2006 03 20.29 -99.99 -99.99 
2006 04 27.09  12.60  19.84 
2006 05 35.88  21.63  28.75 
2006 06 41.36  26.57  33.96 
2006 07 42.68 -99.99 -99.99 
2006 08 41.16  26.88  34.02 
2006 09 35.66  21.64  28.65 
2006 10 27.11  15.05  21.08 
2006 11 24.22   8.89  16.56 
2006 12 15.91 -99.99 -99.99 
2007 01 14.00   3.93   8.96 
2007 02 19.67   7.82  13.74 
2007 03 24.89  12.01  18.45 
2007 04 28.73  15.71  22.22 
2007 05 35.20  20.59  27.89 
2007 06 40.41  25.35  32.88 
2007 07 43.01  28.05  35.53 
2007 08 41.04  27.75  34.39 
2007 09 36.68  22.56  29.62 
2007 10 27.79  15.09  21.44 
2007 11 23.69  11.01  17.35 
2007 12 13.99   3.68   8.83 
2008 01 13.57   3.51   8.54 
2008 02 17.29   5.60  11.45 
2008 03 24.61   9.05  16.83 
2008 04 29.14  13.99  21.56 
2008 05 31.59  16.82  24.20 
2008 06 40.83  25.42  33.12 
2008 07 43.15  28.37  35.76 
2008 08 42.26  28.16  35.21 
2008 09 37.91  23.04  30.48 
2008 10 29.80  15.09  22.44 
2008 12 13.76   4.27   9.01 
2009 01 16.56   6.11  11.33 
2009 02 17.44   6.13  11.78 
2009 03 22.93   9.33  16.13 
2009 04 27.09  12.82  19.95 
2009 05 37.27  22.64  29.95 
2009 06 36.55  23.34  29.94 
2009 07 43.54  28.82  36.18 
2009 08 41.36  25.70  33.53 
2009 09 38.48  22.86  30.67 
2009 10 26.59  13.38  19.98 
2009 11 22.45   8.72  15.59 
2009 12 13.28   2.48   7.88 
2010 01 14.72   4.14   9.43 
2010 02 16.62   5.99  11.31 
2010 03 20.60   8.10  14.35 
2010 04 25.15  11.57  18.36 
2010 05 29.82  15.28  22.55 
2010 06 39.09  25.10  32.09 
2010 07 43.47  29.79  36.63 
2010 08 40.59  26.43  33.51 
2013 05 99.99  18.87 -99.99 
