1991 02  4.15 -10.51  -3.18 
1991 03   .16 -12.51  -6.17 
1991 05  6.30  -3.57   1.36 
1991 06 13.97   1.29   7.63 
1991 08 18.12 -99.99 -99.99 
1991 09 14.87 -99.99 -99.99 
1991 10  8.82  -3.95   2.43 
1991 11  1.67 -99.99 -99.99 
1991 12  -.60 -99.99 -99.99 
1992 01   . 6 -12.76  -6.35 
1992 02  -.11 -99.99 -99.99 
1992 03  2.69  -8.63  -2.97 
1992 04  9.82  -5.13   2.34 
1992 05  9.99   -.68   4.65 
1992 06 15.36   1.46   8.41 
1992 07 18.23   4.39  11.31 
1992 08 17.62 -99.99 -99.99 
1992 09 15.45    .47   7.96 
1992 10  7.97  -2.63   2.66 
1992 11 -1.88 -99.99 -99.99 
1992 12 -4.31 -99.99 -99.99 
1993 01 -2.06 -12.08  -7.07 
1993 02 -1.71 -12.15  -6.93 
1993 03  5.82  -9.41  -1.79 
1993 04  6.90  -8.14   -.62 
1993 05 11.77  -2.62   4.57 
1993 06 15.31 -99.99 -99.99 
1993 07 18.91   5.08  11.99 
1993 08 19.16   5.45  12.30 
1993 09 15.16 -99.99 -99.99 
1993 10  6.14 -99.99 -99.99 
1993 11   .51 -10.25  -4.87 
1993 12 -1.39 -13.21  -7.30 
1994 01  -.96 -11.82  -6.39 
1994 02 -1.57 -14.34  -7.95 
1994 03  4.82  -8.87  -2.02 
1994 04  5.96  -7.59   -.81 
1994 05 10.49 -99.99 -99.99 
1994 06 19.78 -99.99 -99.99 
1994 07 22.31   6.27  14.29 
1994 08 20.68   6.96  13.82 
1994 09 14.76   1.97   8.36 
1994 10  6.17  -5.70    .23 
1994 12 -1.89 -99.99 -99.99 
1995 01 -2.69 -99.99 -99.99 
1995 02  3.02 -99.99 -99.99 
1995 03  2.08 -10.57  -4.23 
1995 04  5.69 -99.99 -99.99 
1995 05  7.19  -5.60    .79 
1995 06 12.61  -1.37   5.62 
1995 07 19.54   4.42  11.99 
1995 08 20.88   5.81  13.34 
1995 09 16.03   2.10   9.07 
1995 10 10.40  -3.81   3.29 
1995 11  6.49  -6.59    .-5 
1995 12 -1.91 -13.02  -7.46 
1996 02  2.03 -10.10  -4.03 
1996 03  3.61 -99.99 -99.99 
1996 04  6.86  -7.74   -.43 
1996 05 13.06  -2.26   5.40 
1996 06 20.92   3.69  12.30 
1996 07 21.84   6.80  14.32 
1996 08 20.78   5.85  13.31 
1996 09 99.99    .12 -99.99 
1996 10 99.99  -6.40 -99.99 
1996 11 99.99  -8.89 -99.99 
1996 12 99.99 -11.64 -99.99 
1997 01 99.99 -12.03 -99.99 
1997 02 99.99 -14.66 -99.99 
1997 03  6.54  -9.62  -1.54 
1997 04  5.36  -9.01  -1.82 
1997 05 12.70  -1.65   5.52 
1997 06 17.89   2.52  10.20 
1997 07 20.59   3.53  12.06 
1997 08 20.04   6.10  13.07 
1997 09 13.80   2.66   8.23 
1997 10  8.70  -4.69   2.00 
1997 11 99.99  -7.76 -99.99 
1997 12 99.99 -13.39 -99.99 
1998 01 -1.28 -11.82  -6.55 
1998 02 -2.97 -12.52  -7.74 
1998 03 99.99 -10.22 -99.99 
1998 04 99.99  -7.99 -99.99 
1998 05 11.09  -4.17   3.45 
1998 06 16.24    .39   8.31 
1998 07 21.30   5.93  13.61 
1998 08 20.43   6.01  13.22 
1998 09 14.61   3.50   9.05 
1998 10  7.78  -4.27   1.75 
1998 11 99.99  -9.31 -99.99 
1998 12 99.99 -12.76 -99.99 
1999 01  -.71 -10.81  -5.76 
1999 02  1.89 -11.81  -4.96 
1999 03  5.33  -9.42  -2.04 
1999 04  3.48 -10.85  -3.68 
1999 05 11.57  -4.40   3.58 
1999 06 17.67    .75   9.21 
1999 07 19.90   4.77  12.33 
1999 08 18.96   4.42  11.70 
1999 09 15.59    .61   8.10 
1999 10 13.72  -4.64   4.54 
1999 11  8.20  -7.70    .25 
1999 12 99.99 -13.01 -99.99 
2000 01  -.26 -11.43  -5.84 
2000 02  1.20 -10.67  -4.73 
2000 03 99.99 -10.95 -99.99 
2000 04 10.50  -5.09   2.70 
2000 05 14.88   -.58   7.14 
2000 06 21.67   3.34  12.50 
2000 07 23.34   5.60  14.47 
2000 08 20.80   6.35  13.57 
2000 09 17.87   1.97   9.92 
2000 10  8.51  -4.13   2.19 
2000 11  -.64 -13.65  -7.14 
2000 12   .71 -10.66  -4.97 
2001 01 99.99 -13.91 -99.99 
2001 02 99.99 -12.00 -99.99 
2001 03  4.67  -8.47  -1.89 
2001 04  7.58  -7.00    .28 
2001 05 14.49  -1.83   6.33 
2001 06 20.56   1.46  11.01 
2001 07 99.99   5.70 -99.99 
2001 08 21.72   5.77  13.74 
2001 09 19.35   1.24  10.29 
2001 10 12.45  -2.74   4.85 
2001 11  3.66  -8.02  -2.18 
2001 12 99.99 -13.79 -99.99 
2002 01 99.99 -13.35 -99.99 
2002 02  1.86 -13.17  -5.65 
2002 03 99.99 -11.88 -99.99 
2002 04  9.87  -4.00   2.93 
2002 05 99.99  -2.91 -99.99 
2002 06 99.99   4.15 -99.99 
2002 07 23.27   6.74  15.00 
2002 08 22.26   5.02  13.64 
2002 09 99.99    .38 -99.99 
2002 10  7.06  -5.38    .83 
2002 11 99.99  -8.96 -99.99 
2002 12 99.99 -14.07 -99.99 
2003 01  3.37  -9.59  -3.11 
2003 02 -1.02 -12.64  -6.83 
2003 04 99.99  -6.73 -99.99 
2003 05 14.21  -1.62   6.29 
2003 06 99.99   2.43 -99.99 
2003 07 23.49   5.80  14.64 
2003 08 21.87   6.63  14.25 
2003 09 99.99   1.43 -99.99 
2003 10 99.99  -1.79 -99.99 
2003 11 99.99 -10.20 -99.99 
2003 12 99.99 -11.94 -99.99 
2004 01 99.99 -15.32 -99.99 
2004 02 99.99 -14.23 -99.99 
2004 03  5.09  -6.64   -.77 
2004 04 99.99  -4.83 -99.99 
2004 05 99.99   -.93 -99.99 
2004 06 18.77   1.58  10.17 
2004 07 22.20   3.62  12.91 
2004 08 20.29   4.00  12.14 
2004 09 99.99  -1.15 -99.99 
2004 10 99.99  -3.67 -99.99 
2004 11   .50  -9.33  -4.41 
2004 12 -1.37 -11.88  -6.62 
2005 01 99.99  -9.79 -99.99 
2005 02  -.76  -8.89  -4.82 
2005 03  1.99  -9.47  -3.74 
2005 04 99.99  -6.93 -99.99 
2005 05 12.84  -2.33   5.25 
2005 06 17.81   1.72   9.76 
2005 07 23.45   6.35  14.90 
2005 08 99.99   4.56 -99.99 
2005 09 99.99    .19 -99.99 
2005 10 99.99  -6.09 -99.99 
2005 11 99.99  -7.18 -99.99 
2005 12 99.99 -10.85 -99.99 
2006 01 99.99 -12.69 -99.99 
2006 02   .37 -12.34  -5.98 
2006 03   .19 -10.61  -5.21 
2006 04  8.09  -4.23   1.93 
2006 05 15.26  -2.96   6.15 
2006 06 22.35   2.20  12.27 
2006 07 23.28   5.12  14.20 
2006 08 22.42   4.52  13.47 
2006 09 17.09  -1.48   7.80 
2006 11  4.79  -6.04   -.62 
2006 12   .70 -10.66  -4.98 
2007 01  -.74 -13.04  -6.89 
2007 02  1.84  -8.16  -3.16 
2007 03  6.79  -6.75    . 1 
2008 08 24.54   7.26  15.90 
2008 09 18.48   2.48  10.48 
2008 12 -1.20 -12.15  -6.67 
