1999 09 30.57  16.71  23.64 
1999 10 25.48  11.96  18.71 
1999 11 23.63   7.62  15.62 
1999 12 16.77   1.13   8.95 
2000 01 16.41   1.97   9.18 
2000 02 19.98   3.21  11.59 
2000 03 23.68   8.20  15.94 
2000 04 25.12   9.93  17.52 
2000 05 32.18 -99.99 -99.99 
2000 06 33.29  19.41  26.35 
2000 08 34.08  20.89  27.48 
2000 09 28.64  17.40  23.02 
2000 11 21.31   6.35  13.83 
2000 12 12.48   -.60   5.93 
2001 01 14.75    .38   7.56 
2001 02 19.78   6.38  13.08 
2001 04 26.08  11.30  18.69 
2001 06 32.50  19.77  26.14 
2001 09 30.24  17.24  23.74 
2001 10 25.91   9.37  17.64 
2001 11 25.48   8.22  16.85 
2002 01 17.62 -99.99 -99.99 
2002 02 18.87   2.64  10.75 
2002 03 22.82   7.12  14.96 
2002 04 28.11  14.02  21.06 
2002 05 31.08  14.09  22.58 
2002 06 32.63  20.56  26.59 
2002 07 34.20  21.90  28.05 
2002 08 33.68  20.87  27.27 
2002 09 31.29  20.80  26.04 
2002 10 26.58  16.12  21.35 
2002 11 19.49   6.11  12.80 
2002 12 15.39   1.59   8.49 
2003 01 14.07  -1.36   6.35 
2003 02 17.37   3.49  10.43 
2003 03 21.98   9.49  15.73 
2003 04 24.68  10.91  17.79 
2003 05 29.73  17.27  23.50 
2003 06 32.13  19.94  26.03 
2003 07 32.55  21.70  27.12 
2004 04 32.09 -99.99 -99.99 
2004 05 33.18  17.17  25.18 
2004 08 32.52  20.28  26.40 
2004 09 29.23  18.56  23.89 
2004 10 26.63  14.59  20.61 
2004 11 21.93 -99.99 -99.99 
2005 06 30.58  19.98  25.28 
2005 07 33.82  22.40  28.11 
2005 08 32.78  22.60  27.68 
2005 09 32.62  19.52  26.07 
2005 10 25.98  13.48  19.73 
2005 11 22.48   7.58  15.03 
2005 12 14.69   1.43   8.05 
2006 01 18.58   4.14  11.36 
2006 02 16.20   2.38   9.29 
2006 03 21.31   7.01  14.16 
2006 04 27.25  11.79  19.52 
2006 05 28.90  14.74  21.82 
2006 06 32.30  19.29  25.79 
2006 07 34.04  20.78  27.41 
2006 08 33.91  21.78  27.84 
2006 09 30.52  17.84  24.18 
2006 10 25.65  10.22  17.93 
2006 11 20.82   5.60  13.21 
2006 12 19.01   5.22  12.11 
2007 01 17.04   5.33  11.19 
2007 02 15.62   1.61   8.61 
2007 06 31.78  19.51  25.64 
2007 07 32.43  20.54  26.49 
2007 09 29.49  18.59  24.04 
2007 10 26.13  14.50  20.31 
2007 11 20.60   5.27  12.93 
2007 12 19.67 -99.99 -99.99 
2008 01 13.85   1.80   7.82 
2008 02 19.37   2.71  11.04 
2008 03 20.92 -99.99 -99.99 
2008 04 24.07  10.27  17.17 
2008 05 28.33  14.03  21.18 
2008 06 33.83  19.98  26.90 
2008 07 32.68  20.80  26.74 
2008 08 31.83  21.65  26.74 
2008 09 29.89  18.54  24.21 
2011 06 35.48  20.56  28.02 
2011 08 36.48  21.80  29.14 
2012 01 19.18   2.10  10.64 
