1998 04 99.99  11.86 -99.99 
1998 10 99.99  12.24 -99.99 
1999 06 22.91   4.91  13.91 
1999 08 99.99   7.09 -99.99 
2000 05 20.65   5.73  13.19 
2001 04 24.96  12.91  18.93 
2001 05 23.09   8.37  15.73 
2002 07 18.14   1.43   9.78 
2002 10 99.99  11.14 -99.99 
2003 03 28.86  14.06  21.46 
2005 01 27.19  16.14  21.66 
2005 02 27.78  15.57  21.67 
2005 03 24.83  13.43  19.13 
2005 05 23.52   7.69  15.60 
2005 06 22.88   6.03  14.45 
2005 07 22.18   3.80  12.99 
2005 08 25.44   9.31  17.37 
2005 09 27.97   9.92  18.94 
2005 10 26.70  12.07  19.38 
2005 11 26.13  13.26  19.69 
2005 12 27.11  12.53  19.82 
2006 04 23.37   9.91  16.64 
2006 05 19.86   5.29  12.57 
2006 06 19.77   2.26  11.01 
2006 07 23.03   4.31  13.67 
2006 08 21.64   5.73  13.68 
2006 09 24.84   7.72  16.28 
2006 10 25.87  11.64  18.75 
2007 02 29.30  13.81  21.55 
2007 03 27.63  13.28  20.45 
2007 04 25.05   9.97  17.51 
2007 05 23.69   4.56  14.12 
2007 06 20.79   3.53  12.16 
2007 07 21.45   3.89  12.67 
2007 09 28.44   9.89  19.16 
2007 10 99.99  10.10 -99.99 
2007 12 25.65  11.74  18.69 
2008 01 26.26  13.01  19.63 
2008 02 27.57  12.91  20.24 
2008 03 24.81  11.18  17.99 
2008 04 22.01   7.79  14.90 
2008 05 21.57   6.20  13.88 
2008 06 19.54   3.30  11.42 
2008 07 21.34   5.07  13.20 
2008 08 25.10   7.58  16.34 
2009 04 27.56  10.58  19.07 
2009 05 24.52   9.25  16.88 
2009 06 22.69   7.24  14.96 
2009 12 99.99  14.97 -99.99 
2010 01 28.37  15.50  21.93 
2010 02 29.94  15.58  22.76 
2010 03 28.38  14.88  21.63 
2010 04 26.63  13.56  20.09 
2010 06 99.99   4.26 -99.99 
2010 07 23.04   5.48  14.26 
2010 09 99.99  11.23 -99.99 
2013 05 25.14   9.28  17.20 
2013 06 25.31   7.28  16.29 
2013 07 24.24   9.05  16.64 
2013 08 25.58  10.53  18.05 
2013 11 30.89  15.92  23.40 
2013 12 27.74  16.06  21.90 
2014 01 30.19  18.29  24.24 
2014 02 30.09  17.28  23.68 
2014 03 27.11  15.45  21.28 
2014 05 25.64   9.17  17.40 
