2000 01 99.99    .-2 -99.99 
2000 03  8.24 -99.99 -99.99 
2000 04 14.26   8.58  11.42 
2000 05 19.35  11.43  15.39 
2000 06 23.06  15.85  19.45 
2000 08 27.90  19.96  23.93 
2000 09 21.43  15.80  18.61 
2000 10 17.24  10.74  13.99 
2000 11 16.48   9.82  13.15 
2001 01  7.90   3.27   5.58 
2001 03 10.83   5.40   8.11 
2001 04 13.88   8.14  11.01 
2001 05 18.48  11.67  15.07 
2001 06 22.08  16.00  19.04 
2001 07 30.90  22.01  26.45 
2001 08 29.63  21.18  25.40 
2001 09 23.52  16.32  19.92 
2001 10 18.35  10.32  14.33 
2002 04 99.99   6.25 -99.99 
2003 01  6.73 -99.99 -99.99 
2003 03  6.16    .84   3.50 
2003 04 11.13   5.64   8.38 
2003 05 19.33  12.69  16.01 
2003 06 23.98  16.64  20.31 
2003 07 25.10  18.68  21.89 
2003 08 26.64  19.95  23.30 
2003 09 21.87  14.35  18.11 
2003 10 16.96  11.23  14.10 
2003 11 11.27   7.62   9.44 
2003 12  8.64   4.40   6.52 
2004 01  7.07   3.18   5.12 
2004 02  7.18   1.58   4.38 
2004 03  9.51   5.15   7.33 
2004 04 13.73   6.94  10.33 
2005 02 99.99   1.88 -99.99 
2005 03 99.99   1.79 -99.99 
2005 11 99.99   7.37 -99.99 
2006 02 99.99    .58 -99.99 
2007 02 99.99   2.71 -99.99 
2008 07 27.37  20.07  23.72 
