1974 09 31.50  19.71  25.61 
1975 01 30.45  20.58  25.51 
1975 02 30.47  21.01  25.74 
1975 03 30.90  20.33  25.61 
1975 04 31.17  20.24  25.70 
1975 05 30.05  19.52  24.78 
1975 06 30.47  19.07  24.77 
1975 07 28.85  17.40  23.12 
1975 08 99.99  18.40 -99.99 
1975 09 31.67  18.87  25.27 
1975 10 33.16  20.26  26.71 
1975 11 32.45  20.25  26.35 
1975 12 31.87  19.60  25.73 
1976 01 29.87  18.73  24.30 
1976 02 30.98  19.31  25.14 
1976 03 29.93  18.95  24.44 
1976 04 30.22  19.73  24.97 
1976 05 29.50  19.17  24.33 
1976 06 28.80  17.82  23.31 
1976 07 30.73  16.64  23.68 
1976 08 32.88  16.56  24.72 
1976 09 32.20  16.37  24.28 
1976 10 31.63  17.91  24.77 
1976 11 31.13  18.29  24.71 
1976 12 30.40  18.77  24.58 
1977 02 30.09  19.32  24.70 
1977 03 30.21  19.25  24.73 
1977 11 30.81  22.11  26.46 
1977 12 30.94  21.85  26.39 
1978 01 31.37  21.37  26.37 
1978 02 32.02  21.99  27.00 
1978 03 30.88  21.38  26.13 
1978 04 30.24  21.23  25.73 
1978 05 30.52  20.82  25.67 
1978 06 30.12  18.87  24.49 
1978 07 30.35  19.69  25.02 
1978 08 30.94  17.85  24.39 
1978 09 31.32  19.89  25.60 
1978 10 31.87  20.80  26.33 
1978 11 31.10  21.29  26.19 
1978 12 30.45  21.57  26.01 
1979 05 30.75  21.20  25.97 
1983 03 32.68  22.53  27.60 
1983 04 33.16  22.01  27.58 
1983 09 32.95  18.33  25.64 
1983 10 32.81  19.43  26.12 
1984 01 31.83  18.95  25.39 
1984 02 31.50  19.37  25.43 
1985 01 31.47  20.37  25.92 
1985 02 30.64  19.75  25.19 
1985 03 31.03  19.87  25.45 
1986 05 32.50  20.89  26.69 
1986 06 31.27  18.19  24.73 
1986 07 31.45  17.34  24.39 
1986 08 30.76  16.79  23.77 
1987 01 31.30  19.36  25.33 
1987 02 30.37  18.78  24.57 
1988 04 32.22  19.65  25.93 
1988 05 31.09  18.45  24.77 
1988 06 31.01  14.44  22.72 
1988 07 31.83  15.96  23.89 
1988 08 34.09  17.60  25.84 
1988 09 33.48  19.79  26.63 
1988 11 32.06  18.60  25.33 
1988 12 32.47  19.85  26.16 
1989 01 32.07  19.82  25.94 
1989 02 33.47  20.11  26.79 
1989 03 31.50  20.45  25.97 
1989 04 32.37  20.37  26.37 
1989 05 32.34  20.40  26.37 
1989 06 32.15  20.27  26.21 
1989 07 32.49  19.42  25.95 
1989 08 33.32  20.26  26.79 
1989 09 33.47  21.04  27.25 
1989 10 32.74  20.42  26.58 
1989 11 33.30  20.34  26.82 
1989 12 33.30  19.91  26.60 
1993 01 32.80  20.44  26.62 
1993 02 33.18  20.76  26.97 
1993 03 32.83  20.72  26.77 
1993 04 32.89  20.29  26.59 
1993 05 32.06  20.41  26.23 
1993 06 32.27  20.18  26.22 
1993 07 31.63  17.37  24.50 
1993 08 32.03  18.44  25.23 
1993 09 33.29  19.81  26.55 
1993 10 32.28  19.79  26.03 
1993 11 32.54  20.33  26.43 
1993 12 32.28  20.80  26.54 
1994 01 31.59  20.53  26.06 
1994 02 31.71  20.37  26.04 
1994 03 32.07  20.69  26.38 
1994 04 32.25  20.69  26.47 
1994 05 31.88  20.76  26.32 
1994 06 31.92  20.20  26.06 
1994 07 31.61  18.96  25.29 
1994 08 31.97  18.99  25.48 
1994 09 32.74  20.53  26.63 
1994 10 32.73  20.45  26.59 
1994 11 32.75  20.55  26.65 
1994 12 32.28  20.26  26.27 
1995 01 33.05  20.65  26.84 
1995 02 32.62  20.45  26.54 
1995 03 32.41  20.26  26.34 
1995 04 32.00  19.76  25.88 
1995 05 31.50  18.73  25.11 
1995 06 30.90  17.82  24.36 
1995 07 32.47  17.65  25.06 
1995 08 33.56  17.50  25.53 
1995 09 33.23  17.41  25.32 
1995 10 33.03  17.62  25.32 
1995 11 32.65  17.62  25.14 
1995 12 32.09  17.41  24.75 
1996 01 30.97  17.14  24.05 
1996 02 32.39  18.41  25.40 
1996 03 32.34  18.20  25.27 
1996 04 31.92  17.66  24.79 
1996 05 32.37  16.04  24.21 
1996 06 31.51  17.48  24.49 
1996 07 33.68  19.04  26.36 
1996 08 33.32  20.85  27.08 
1996 09 32.93  21.17  27.05 
1996 10 32.58  22.03  27.30 
1996 11 32.52  22.56  27.54 
1996 12 32.63  21.94  27.28 
1997 01 32.68  22.16  27.42 
1997 02 32.79  22.11  27.45 
1997 03 32.12  22.15  27.13 
1997 04 32.87  21.67  27.27 
1997 05 32.47  20.53  26.50 
1997 06 33.49  20.53  27.01 
1997 07 33.16  20.04  26.60 
1997 08 32.25  19.37  25.81 
1997 09 34.24  21.75  27.99 
1997 10 33.27  21.14  27.20 
1997 11 33.66  22.18  27.92 
1997 12 33.54  22.34  27.94 
1998 01 33.34  22.81  28.07 
1998 02 33.16  23.10  28.13 
1998 03 33.04  22.55  27.79 
1998 04 33.47  22.93  28.20 
1998 05 31.75  20.50  26.12 
1998 06 30.79  19.90  25.34 
1998 07 33.22  19.85  26.53 
1998 08 33.75  20.53  27.14 
1998 09 34.05  20.41  27.23 
1998 10 34.24  21.54  27.89 
1998 11 33.03  21.69  27.36 
1998 12 34.24  21.41  27.82 
1999 01 32.52  20.96  26.74 
1999 02 32.56  21.24  26.90 
1999 03 33.24  21.52  27.38 
1999 04 32.32  20.89  26.60 
1999 05 31.65  21.48  26.56 
1999 06 31.71  20.81  26.25 
1999 07 32.46  19.69  26.07 
1999 08 33.74  19.03  26.38 
1999 09 34.70  21.74  28.22 
1999 10 35.30  21.45  28.37 
1999 11 33.83  21.43  27.63 
1999 12 33.41  22.49  27.95 
2000 01 33.32  22.19  27.75 
2000 02 32.52  21.83  27.17 
2000 03 32.55  22.11  27.33 
2000 04 31.54  22.58  27.06 
2000 05 32.00  22.12  27.06 
2000 06 31.60  21.33  26.46 
2000 07 31.61  19.06  25.33 
2000 08 32.90  21.33  27.11 
2000 09 33.03  20.87  26.95 
2000 10 32.88  21.84  27.36 
2000 11 33.64  22.12  27.88 
2000 12 32.95  22.60  27.77 
2001 01 31.48  22.03  26.75 
2001 02 32.39  22.51  27.45 
2001 03 33.21  22.36  27.78 
2001 04 34.71  22.50  28.60 
2001 05 32.88  22.23  27.55 
2001 06 32.16  19.40  25.78 
2001 07 33.18  20.84  27.01 
2001 08 35.68  20.56  28.12 
2001 09 34.57  21.59  28.08 
2001 10 35.68  22.84  29.26 
2001 11 35.05  23.04  29.04 
2001 12 33.95  22.75  28.35 
2002 01 34.36  22.98  28.67 
2002 02 33.50  23.11  28.31 
2002 03 33.00  23.13  28.06 
2002 04 33.22  22.93  28.07 
2002 05 33.50  22.63  28.06 
2002 06 33.16  21.00  27.08 
2002 07 32.25  21.25  26.75 
2002 08 34.25  21.40  27.82 
2002 09 34.32  22.06  28.18 
2002 10 34.15  22.35  28.25 
2002 11 33.75  22.36  28.06 
2002 12 32.75  22.94  27.84 
2003 01 33.57  23.05  28.31 
2003 02 32.84  22.64  27.74 
2003 03 33.23  22.74  27.98 
2003 04 32.72  22.45  27.58 
2003 05 32.90  22.83  27.86 
2003 06 32.52  21.89  27.20 
2003 07 33.54  19.87  26.71 
2003 08 32.82  20.32  26.57 
2003 09 34.54  20.71  27.62 
2003 10 34.37  22.37  28.37 
2003 11 33.14  22.43  27.78 
2003 12 33.63  22.98  28.30 
2004 02 32.97  22.60  27.78 
2004 03 32.71  22.99  27.84 
2004 04 33.34  23.08  28.21 
2004 05 31.45  20.97  26.21 
2004 06 31.92  20.87  26.39 
2004 07 32.45  20.78  26.61 
2004 08 33.80  20.43  27.11 
2004 09 34.02  21.40  27.71 
2004 10 34.34  22.61  28.48 
2004 11 33.89  23.02  28.45 
2004 12 33.65  23.01  28.33 
2005 01 34.30  23.27  28.78 
2005 02 33.36  23.24  28.30 
2005 03 34.12  23.21  28.66 
2005 04 33.00  22.60  27.80 
2005 05 34.48  22.51  28.49 
2005 07 34.70  18.77  26.73 
2005 08 35.97  19.16  27.56 
2005 09 35.33  19.84  27.58 
2005 10 35.53  22.22  28.87 
2005 11 35.23  22.92  29.07 
2005 12 34.16  22.82  28.49 
2006 01 33.72  22.06  27.89 
2006 02 33.52  22.63  28.07 
2006 03 99.99  22.35 -99.99 
2006 04 32.84  22.26  27.55 
2006 05 31.35  19.95  25.65 
2006 06 32.93  20.71  26.82 
2006 07 33.04  20.37  26.70 
2006 08 33.49  20.92  27.20 
2006 09 33.68  21.53  27.60 
2006 10 33.13  22.85  27.99 
2006 11 99.99  22.78 -99.99 
2006 12 99.99  22.99 -99.99 
2007 01 99.99  22.87 -99.99 
2007 02 99.99  23.00 -99.99 
2007 03 99.99  22.34 -99.99 
2007 04 99.99  22.11 -99.99 
2007 05 99.99  20.55 -99.99 
2007 06 99.99  20.36 -99.99 
2007 07 99.99  20.02 -99.99 
2007 08 33.75  19.92  26.83 
2007 09 34.30  21.25  27.77 
2007 10 33.91  22.21  28.06 
2007 11 33.25  22.68  27.96 
2007 12 32.96  22.17  27.56 
2008 01 31.93  22.32  27.12 
2008 02 32.41  22.31  27.36 
2008 03 32.99  22.02  27.50 
2008 04 33.09  22.01  27.55 
2008 05 31.78  21.18  26.48 
2008 06 31.59  19.29  25.44 
2008 07 34.32  19.94  27.13 
2008 08 35.73  21.23  28.48 
2008 09 34.22  21.06  27.64 
2008 10 34.66  22.30  28.48 
2008 11 33.70  22.69  28.19 
2008 12 33.27  22.59  27.93 
2009 01 32.68  22.42  27.55 
2009 02 32.81  22.16  27.48 
2009 03 33.00  22.17  27.58 
2009 04 32.84  22.28  27.56 
2009 05 32.48  22.31  27.39 
2009 06 32.52  20.91  26.71 
2009 07 33.58  20.44  27.01 
2009 08 34.31  20.90  27.60 
2009 09 35.29  21.60  28.44 
2009 10 35.20  22.60  28.90 
2009 11 34.23  22.64  28.43 
2009 12 32.75  22.39  27.57 
2010 01 33.05  22.37  27.71 
2010 02 33.27  22.91  28.09 
2010 03 34.43  22.84  28.64 
2010 04 34.25  22.17  28.21 
2010 05 32.29  21.01  26.65 
2010 06 32.93  21.24  27.08 
2010 07 31.77  18.90  25.33 
2010 08 35.18  19.28  27.23 
2010 09 35.20  21.68  28.44 
2010 10 34.50  22.04  28.27 
2010 11 33.93  21.31  27.62 
2010 12 33.05  21.62  27.33 
2011 01 33.03  21.26  27.14 
2011 02 31.78  20.61  26.19 
2011 03 32.48  20.65  26.56 
2011 04 32.81  20.89  26.85 
2011 05 31.82  21.70  26.76 
2011 06 32.75  20.75  26.75 
2011 07 32.75  20.02  26.39 
2011 08 34.21  19.60  26.90 
2011 09 35.39  21.47  28.43 
2011 10 34.09  21.70  27.89 
2011 11 33.99  22.05  28.02 
2011 12 33.18  21.28  27.23 
2012 01 32.07  21.52  26.79 
2012 02 32.24  20.86  26.55 
2012 03 32.75  21.12  26.93 
