1989 05 20.96  12.08  16.52 
1992 06 25.26  17.18  21.22 
1996 01 -1.09  -4.96  -3.03 
1996 02   .23  -5.81  -2.79 
1996 04 15.74   4.96  10.35 
1996 05 25.32  12.54  18.93 
1996 06 28.22  15.12  21.67 
1996 07 28.61  15.48  22.04 
1996 08 27.28  16.02  21.65 
1996 09 19.31  10.41  14.86 
1996 10 15.93   5.90  10.91 
1996 11 11.75   3.06   7.40 
1996 12  2.42  -1.27    .57 
1997 11  7.45   3.14   5.29 
1998 02  8.91    .29   4.60 
1998 03 11.27   2.10   6.69 
1998 04 19.31   9.26  14.28 
1998 06 27.76  17.18  22.47 
1998 09 20.34  13.60  16.97 
1998 10 17.09   9.60  13.34 
1998 11  6.08   2.34   4.21 
1998 12   .50  -5.06  -2.28 
1999 01  2.97   -.69   1.14 
2000 10 17.04   8.88  12.96 
2000 11 10.36   6.27   8.31 
2000 12  6.03   1.02   3.52 
2003 01   .96  -2.33   -.68 
2003 04 15.16   7.24  11.20 
2003 05 26.00  16.34  21.17 
2003 08 32.66  21.21  26.93 
2003 09 22.34  14.16  18.25 
2005 09 22.17  14.88  18.52 
2005 10 15.92   9.47  12.69 
2006 02  3.35  -2.61    .37 
2006 03  9.84   2.48   6.16 
2006 04 17.32   9.72  13.52 
2006 05 22.53  14.02  18.27 
2006 06 25.56  17.51  21.53 
2006 07 28.70  19.69  24.19 
2006 08 27.45  19.18  23.31 
2006 09 23.64  15.41  19.52 
2006 10 18.53  10.75  14.64 
2006 11 11.48   5.66   8.57 
2006 12  5.97   1.63   3.80 
2007 01 10.82   3.71   7.26 
2007 02  9.50   2.18   5.84 
2007 03 13.34   5.02   9.18 
2007 04 19.87   9.01  14.44 
2007 05 24.99  15.98  20.48 
2007 06 29.74  19.44  24.59 
2007 07 33.73  20.86  27.29 
2007 08 29.27  19.83  24.55 
2007 09 22.40  13.81  18.10 
2007 10 15.85   9.51  12.68 
2007 11  6.75   2.44   4.59 
2007 12  1.68  -1.87    .-9 
2008 01   .13  -4.44  -2.15 
2008 02  8.13   1.13   4.63 
2008 03 15.10   5.86  10.48 
2008 04 18.20  10.04  14.12 
2008 05 23.63  13.89  18.76 
2008 06 27.55  18.19  22.87 
2008 07 29.31  18.93  24.12 
2008 08 31.40  20.26  25.83 
2008 09 23.36  14.04  18.70 
2008 10 18.42   9.54  13.98 
2008 11 10.53   5.21   7.87 
2008 12  5.15   1.27   3.21 
2009 01  2.28  -2.24    . 1 
2009 02  5.07   -.45   2.31 
2009 03 11.09   4.13   7.61 
2009 04 18.36   8.49  13.42 
2009 05 24.48  14.32  19.40 
2009 06 27.16  17.34  22.25 
2009 07 29.29  19.77  24.53 
2009 08 29.56  19.66  24.61 
2009 09 24.70  15.37  20.03 
2009 10 16.49   9.99  13.24 
2009 11 11.55   5.81   8.68 
2009 12  3.59    .34   1.96 
2010 01  -.10  -3.45  -1.77 
2010 02  3.05  -1.56    .74 
2010 03 10.60   4.01   7.30 
2010 04 17.26   9.58  13.42 
2010 05 22.38  14.17  18.27 
2010 06 25.54  17.40  21.47 
2010 07 28.36  20.29  24.33 
2010 08 29.60  20.64  25.12 
2010 09 23.48  14.81  19.14 
2010 10 13.15   7.69  10.42 
2010 11 13.87   7.74  10.80 
2010 12  1.90  -2.16   -.13 
2011 01   .89  -2.53   -.82 
2011 02  3.14  -1.91    .61 
2011 03  9.80   2.20   6.00 
2011 04 16.78   8.34  12.56 
2011 05 22.08  13.33  17.70 
2011 06 26.31  17.54  21.92 
2011 07 28.63  19.42  24.02 
2011 08 29.22  19.37  24.29 
2011 09 28.21  17.29  22.75 
2011 10 16.45   8.07  12.26 
2011 11  6.78    .71   3.74 
2011 12  6.34    .97   3.65 
2012 01  3.72  -1.31   1.20 
2012 02 -2.22  -6.87  -4.54 
2012 03 14.10   4.16   9.13 
2012 04 19.92  10.13  15.02 
2012 05 22.13  14.25  18.18 
2012 06 28.76  19.19  23.97 
2012 07 32.95  21.97  27.46 
2012 08 31.80  20.02  25.91 
2012 09 26.95  16.12  21.54 
2012 10 19.84  10.94  15.39 
2012 11 10.21   5.86   8.03 
2012 12  1.66  -2.39   -.36 
2013 01  3.01  -1.39    .81 
2013 02  5.92   2.10   4.01 
2013 03  9.43   3.28   6.35 
2013 04 18.73   9.97  14.35 
2013 05 24.88  15.15  20.01 
2013 06 25.41  17.67  21.54 
2013 07 28.90  19.87  24.39 
2013 08 30.71  20.83  25.77 
2013 09 23.23  14.70  18.96 
2013 10 16.10   9.00  12.55 
2013 11 11.34   4.54   7.94 
2013 12  4.12  -2.47    .82 
