1979 02 -6.00 -13.26  -9.63 
1979 03   .90  -3.31  -1.20 
1979 04  6.00   -.38   2.81 
1979 05 14.77   7.70  11.23 
1979 06 20.35  12.73  16.54 
1979 07 17.61  13.00  15.30 
1979 08 19.60  14.00  16.79 
1979 09 14.41   9.07  11.74 
1979 10  7.93   4.07   6.00 
1980 02 -5.29 -10.00  -7.64 
1980 03  -.96  -9.54  -5.25 
1980 04  9.00   1.79   5.39 
1980 05 11.89   4.21   8.05 
1980 06 21.93  13.71  17.82 
1980 07 20.96  13.63  17.29 
1980 08 19.10  12.23  15.66 
1981 03  -.74  -7.22  -3.98 
1981 04  4.33  -1.44   1.44 
1981 05 16.64   8.07  12.35 
1981 07 20.66  14.83  17.74 
1981 08 17.92  13.42  15.67 
1981 09 13.75   9.29  11.52 
1981 10 10.31   6.35   8.33 
1982 08 19.73  14.00  16.86 
1982 09 14.61   9.12  11.86 
1982 11  5.92   3.46   4.69 
1983 06 16.95  10.96  13.95 
1983 07 22.19  14.04  18.11 
1983 08 20.14  12.96  16.54 
1987 06 16.46  10.52  13.49 
1987 07 19.54  13.00  16.27 
1987 08 16.28  11.62  13.95 
1987 09 13.20   8.62  10.91 
1987 10 10.40   5.01   7.70 
1988 04  4.07   -.74   1.66 
1988 07 23.48  16.77  20.12 
1988 09 15.94  10.22  13.08 
1989 03  3.43    .75   2.09 
1989 04 10.10   3.35   6.72 
1989 06 19.99  12.79  16.39 
1989 07 21.99  14.57  18.27 
1989 08 18.71  13.69  16.20 
1990 07 18.98  13.82  16.40 
1991 06 16.51  10.88  13.69 
1991 08 21.58  14.48  18.02 
1991 10 10.00   4.86   7.43 
1991 11  5.67   2.68   4.17 
1992 01  2.24  -1.34    .45 
1992 02   .77  -2.56   -.89 
1992 03  3.57    .17   1.87 
1992 04  5.72   1.00   3.36 
1992 05 15.98   7.82  11.90 
1992 06 21.31  10.90  16.10 
1992 07 21.49  13.52  17.50 
1992 08 20.20  13.65  16.93 
1992 09 16.04   9.93  12.98 
1992 10  5.89    .77   3.33 
1992 11  2.11  -1.32    .39 
1992 12  1.73   -.71    .51 
1993 01  1.01  -2.33   -.66 
1993 02   .75  -3.28  -1.26 
1993 03  1.83  -2.60   -.38 
1993 05 19.40   9.78  14.59 
1993 06 16.18   9.24  12.71 
1993 08 17.85  12.08  14.96 
1993 09 10.80   3.83   7.31 
1994 03   .76  -3.32  -1.28 
1994 06 16.58  10.06  13.32 
1994 08 20.29  13.04  16.67 
1995 01 -1.05  -4.73  -2.90 
1995 02  2.00  -1.68    .16 
1995 03  2.57   -.48   1.04 
1995 04  8.42   1.43   4.92 
1995 05 14.14   6.40  10.27 
1995 06 21.68  14.24  17.95 
1995 07 20.40  12.47  16.43 
1995 09 16.02   8.80  12.41 
1995 10 11.12   6.95   9.03 
1995 11  2.02  -2.17    .-7 
1995 12 -3.14  -7.90  -5.52 
1996 01 -4.42  -8.58  -6.50 
1996 02 -6.99 -13.36 -10.17 
1996 04  7.22   -.77   3.22 
1996 06 17.89  10.54  14.21 
1996 07 19.08  12.58  15.83 
1996 08 23.68  13.77  18.72 
1996 10  9.64   5.96   7.80 
1996 11  6.01   3.00   4.50 
1996 12 -2.22  -6.60  -4.41 
1997 01  -.57  -6.11  -3.34 
1997 02   . 6  -4.17  -2.06 
1997 04  6.16   -.48   2.84 
1997 05 12.88   5.04   8.96 
1997 06 20.67  12.53  16.60 
1997 07 23.12  14.66  18.89 
1997 08 23.76  13.95  18.85 
1997 10  7.05   2.32   4.68 
1998 02  -.38  -5.83  -3.10 
1998 03  1.64  -5.15  -1.75 
1998 04 10.61   2.99   6.80 
1998 09 15.53   8.91  12.21 
1998 10  9.28   4.26   6.77 
1998 11 -1.47  -5.68  -3.57 
1998 12  -.88  -4.44  -2.66 
1999 01 -1.96  -5.49  -3.72 
1999 02 -1.52  -5.74  -3.63 
1999 03  2.59  -2.45    . 6 
1999 06 22.82  14.11  18.46 
1999 07 23.29  15.11  19.20 
1999 08 20.14  11.58  15.86 
1999 10  9.37   5.55   7.46 
1999 11  4.36    .49   2.42 
1999 12  1.10  -2.27   -.58 
2000 02  1.04  -2.30   -.62 
2000 05 15.98   6.95  11.46 
2000 06 17.54  11.59  14.57 
2000 07 20.20  13.54  16.87 
2000 08 19.75  13.19  16.46 
2000 09 15.77   5.90  10.83 
2000 10 12.20   6.81   9.50 
2000 11  6.36   3.36   4.86 
2000 12  2.61   -.27   1.16 
2001 01   .28  -1.81   -.76 
2001 02 -2.17  -7.56  -4.86 
2001 03  1.31  -4.94  -1.81 
2001 04 10.05   3.24   6.64 
2001 05 14.58   7.22  10.90 
2001 06 18.00  11.52  14.76 
2001 07 25.56  15.80  20.68 
2001 10 10.90 -99.99 -99.99 
2001 11 99.99  -2.55 -99.99 
2002 01 99.99  -4.23 -99.99 
2002 02  2.34  -2.55   -.10 
2002 04 12.04 -99.99 -99.99 
2002 05 19.70   6.64  13.17 
2002 06 99.99  10.79 -99.99 
2002 07 24.47  13.37  18.92 
2002 08 25.45  11.19  18.32 
2002 09 16.06 -99.99 -99.99 
2002 10  3.84 -99.99 -99.99 
2003 02 -3.93 -99.99 -99.99 
2003 03  4.51 -99.99 -99.99 
2003 04  8.00  -1.52   3.24 
2003 05 16.98   6.05  11.51 
2003 06 18.61   8.31  13.46 
2003 07 24.86  14.85  19.85 
2003 08 20.11 -99.99 -99.99 
2003 10  7.23 -99.99 -99.99 
2004 03  3.65 -99.99 -99.99 
2004 04 12.00 -99.99 -99.99 
2004 05 16.04 -99.99 -99.99 
2004 07 21.43 -99.99 -99.99 
2004 08 22.83 -99.99 -99.99 
2004 09 15.97 -99.99 -99.99 
2005 09 17.92 -99.99 -99.99 
2006 03   .-9 -99.99 -99.99 
2006 04 11.47    .-4   5.71 
2006 05 18.58   4.64  11.61 
2006 06 22.89  10.55  16.71 
2006 07 26.34  12.28  19.31 
2006 08 23.14  12.76  17.95 
2006 09 19.50  10.44  14.96 
2006 10 12.09   5.29   8.69 
2006 11  5.38   -.23   2.57 
2006 12  6.13    .99   3.56 
2007 01  2.01  -4.91  -1.45 
2007 02 -5.13 -13.98  -9.55 
2007 03  9.53    .31   4.92 
2007 04 12.04    . 0   6.02 
2007 05 18.58   6.35  12.46 
2007 06 23.11  10.46  16.78 
2007 07 22.49  12.70  17.59 
2007 08 24.62  12.80  18.71 
2007 09 16.70   6.99  11.85 
2007 10 10.41   3.46   6.93 
2007 11  2.51  -2.28    .11 
2007 12  2.86   -.90    .97 
2008 01  1.34  -2.77   -.71 
2008 02  3.49  -1.31   1.09 
2008 03  3.88  -2.36    .75 
2008 04 13.38   2.08   7.73 
2008 05 17.54   4.42  10.98 
2008 06 21.07   9.10  15.08 
2008 07 22.70  11.27  16.98 
2008 08 21.19  12.26  16.72 
2008 09 14.59   6.42  10.50 
2008 10 11.43   5.89   8.66 
2008 11  5.30    .30   2.80 
2008 12  1.16  -2.64   -.73 
2009 01  -.25  -6.15  -3.20 
2009 02 -1.74  -8.22  -4.98 
2009 03  2.14  -4.28  -1.07 
2009 04 12.82    .54   6.68 
2009 05 18.70   5.27  11.99 
2009 06 19.94   8.97  14.46 
2009 07 23.46  12.00  17.73 
2009 08 21.62  10.98  16.29 
2009 09 17.99   9.24  13.61 
2009 10  7.44   1.29   4.36 
2009 11  4.19    .94   2.57 
2009 12 -2.25  -7.36  -4.80 
2010 01 -9.58 -17.32 -13.45 
2010 02 -4.21 -11.76  -7.99 
2010 03  2.85  -5.66  -1.40 
2010 04 12.88    .58   6.73 
2010 05 20.28   7.52  13.90 
2010 06 21.00   9.72  15.36 
2010 07 29.40  16.20  22.80 
2010 08 25.16  13.72  19.44 
2010 09 16.24   7.89  12.06 
2010 10  9.07    .27   4.67 
2010 11  2.92  -1.74    .59 
2010 12 -5.25 -10.54  -7.89 
2011 01 -1.50  -7.30  -4.40 
2011 02 -5.57 -14.84 -10.20 
2011 03  3.18  -5.69  -1.25 
2011 04 13.17   1.49   7.33 
2011 05 17.92   5.43  11.67 
2011 06 24.46  11.94  18.19 
2011 07 26.91  15.28  21.09 
2011 08 22.80  11.95  17.37 
2011 09 17.67   9.09  13.38 
2011 10 11.59   4.15   7.87 
2011 11  6.99   1.51   4.25 
2011 12  3.54   -.20   1.67 
2012 01 -2.34  -8.14  -5.25 
2012 02 -5.98 -14.00  -9.99 
2012 03  4.44  -3.32    .56 
2012 04 11.15    .12   5.63 
2012 05 18.62   5.33  11.98 
2012 06 19.43   8.17  13.80 
2012 07 24.20  13.32  18.76 
2012 08 21.08  10.86  15.96 
2012 09 17.23   9.22  13.23 
2012 10  9.29   3.14   6.21 
2012 11  4.87    .33   2.60 
2012 12 -3.93  -9.35  -6.64 
2013 01 -3.55  -9.64  -6.60 
2013 02   . 3  -6.18  -3.07 
2013 03  -.21 -12.54  -6.37 
2013 04  9.41   -.83   4.29 
2013 05 21.51   8.76  15.13 
2013 06 24.68  12.31  18.49 
2013 07 24.65  12.55  18.60 
2013 08 23.55  11.99  17.77 
2013 09 18.12   7.39  12.75 
2013 10 11.45   3.03   7.24 
2013 11  6.76   1.54   4.15 
2013 12  4.19   -.83   1.68 
2014 01 -4.26 -11.56  -7.91 
2014 02  2.57  -2.82   -.12 
2014 03  7.75  -1.97   2.89 
2014 04 13.29    .56   6.92 
2014 05 18.59   6.29  12.44 
