1981 01 29.20  22.30  25.75 
1981 02 30.40  22.50  26.45 
1981 03 32.30  22.70  27.50 
1981 04 32.20  23.40  27.80 
1981 05 32.40  23.60  28.00 
1981 06 32.70  22.90  27.80 
1981 07 32.00  22.40  27.20 
1981 08 33.00  22.20  27.60 
1981 09 31.60  23.00  27.30 
1981 10 31.40  22.30  26.84 
1981 11 31.20  22.60  26.90 
1981 12 30.50  23.00  26.75 
1982 01 30.00  23.20  26.60 
1982 02 30.20  22.80  26.50 
1982 03 31.40  22.50  26.95 
1982 04 31.90  23.10  27.50 
1982 05 32.40  23.10  27.75 
1982 06 32.20  22.50  27.35 
1982 07 31.90  21.90  26.90 
1982 08 32.20  22.20  27.20 
1982 09 32.30  22.50  27.40 
1982 10 31.40  22.00  26.70 
1982 11 32.09  22.50  27.30 
1982 12 31.80  23.20  27.50 
1983 01 31.10  23.70  27.40 
1983 02 32.09  22.40  27.25 
1983 03 34.09  22.80  28.45 
1983 04 34.40  23.70  29.05 
1983 05 33.00  23.80  28.40 
1983 06 32.90  23.40  28.15 
1983 07 32.40  22.80  27.60 
1983 08 32.50  23.10  27.80 
1983 09 31.90  22.90  27.40 
1983 10 31.90  22.80  27.34 
1983 11 31.20  22.80  27.00 
1983 12 30.80  22.90  26.84 
1984 01 30.20  23.40  26.80 
1984 02 30.20  22.90  26.55 
1984 03 31.30  23.10  27.20 
1984 04 32.20  23.50  27.85 
1984 05 31.80  23.20  27.50 
1984 06 32.20  22.70  27.45 
1984 07 31.50  22.60  27.05 
1984 08 32.70  22.60  27.65 
1984 09 31.90  22.30  27.09 
1984 10 31.50  22.50  27.00 
1984 11 31.30  22.70  27.00 
1984 12 31.10  22.70  26.90 
1985 01 30.50  22.10  26.30 
1985 02 31.90  23.10  27.50 
1985 03 32.20  23.10  27.65 
1985 04 32.09  23.00  27.55 
1985 05 32.40  23.10  27.75 
1985 06 33.20  22.00  27.60 
1985 07 31.60  21.60  26.60 
1985 08 32.80  21.90  27.34 
1985 09 31.90  22.30  27.09 
1985 10 31.40  22.70  27.05 
1985 11 31.60  22.90  27.25 
1985 12 30.50  22.60  26.55 
1986 01 29.70  23.30  26.50 
1986 02 30.40  22.00  26.20 
1986 03 31.00  22.80  26.90 
1986 04 32.00  23.40  27.70 
1986 05 32.90  22.90  27.90 
1986 06 32.40  22.70  27.55 
1986 07 32.40  21.80  27.10 
1986 08 31.80  21.90  26.84 
1986 09 31.70  22.60  27.15 
1986 10 31.50  22.60  27.05 
1986 11 31.40  22.50  26.95 
1986 12 31.50  22.80  27.15 
1987 01 30.40  23.00  26.70 
1987 02 30.50  23.00  26.75 
1987 03 32.90  22.80  27.85 
1987 04 33.30  22.80  28.05 
1987 05 32.40  23.00  27.70 
1987 06 32.80  23.30  28.05 
1987 07 32.50  22.30  27.40 
1987 08 32.09  23.10  27.59 
1987 09 32.59  22.70  27.65 
1987 10 32.30  23.10  27.70 
1987 11 32.20  23.00  27.60 
1987 12 31.40  23.30  27.34 
1988 01 31.50  23.60  27.55 
1988 02 31.60  23.10  27.35 
1988 03 32.09  24.10  28.09 
1988 04 33.20  24.00  28.60 
1988 05 32.09  24.20  28.15 
1988 06 32.59  23.40  28.00 
1988 07 31.70  23.10  27.40 
1988 08 31.60  23.10  27.35 
1988 09 31.60  23.50  27.55 
1988 10 31.80  23.20  27.50 
1988 11 30.90  23.40  27.15 
1988 12 29.40  22.70  26.05 
1989 01 30.60  23.70  27.15 
1989 02 29.20  23.30  26.25 
1989 03 30.70  23.20  26.95 
1989 04 31.50  23.20  27.35 
1989 05 32.30  23.60  27.95 
1989 06 32.00  23.30  27.65 
1989 07 32.20  23.50  27.85 
1989 08 32.70  23.30  28.00 
1989 09 32.20  23.20  27.70 
1989 10 31.50  23.50  27.50 
1989 11 31.20  23.50  27.35 
1989 12 31.10  23.50  27.30 
1990 01 30.10  23.70  26.90 
1990 02 31.80  24.40  28.09 
1990 03 31.50  24.20  27.85 
1990 04 33.00  24.40  28.70 
1990 05 32.70  24.60  28.65 
1990 06 32.90  23.50  28.20 
1990 07 32.50  23.20  27.85 
1990 08 32.90  23.60  28.25 
1990 09 32.40  23.40  27.90 
1990 10 32.30  23.60  27.95 
1990 11 31.30  23.30  27.30 
1990 12 31.60  23.60  27.60 
1994 11 30.80  24.64  27.72 
1995 02 30.24  24.98  27.61 
1995 04 31.59  25.09  28.34 
1995 05 31.61  25.32  28.46 
1995 06 31.72  24.88  28.30 
1995 07 30.89  24.18  27.53 
1995 08 30.96  24.28  27.62 
1995 11 30.01  24.25  27.13 
1995 12 29.13  23.97  26.55 
1996 01 28.49  23.35  25.92 
1996 02 28.94  24.41  26.67 
1996 03 30.59  24.87  27.73 
1996 08 30.83  24.28  27.55 
1996 09 31.35  24.63  27.99 
1996 10 30.29  23.97  27.13 
1996 12 29.66  23.49  26.57 
1997 04 31.08  24.88  27.98 
1997 05 31.43  24.83  28.13 
1997 06 32.02  24.68  28.35 
1997 08 31.90  25.26  28.58 
1998 04 32.93  26.08  29.50 
1998 06 31.64  25.01  28.32 
1998 09 31.50  25.03  28.26 
1998 10 30.94  25.04  27.99 
1999 01 30.26  24.59  27.42 
1999 02 29.91  24.69  27.30 
1999 03 30.55  24.77  27.66 
1999 04 31.60  24.80  28.20 
1999 07 31.94  24.59  28.26 
1999 11 30.67  24.62  27.64 
2000 05 32.45  25.41  28.93 
2000 06 30.86  24.36  27.61 
2000 07 32.39  25.19  28.79 
2000 09 31.58  24.32  27.95 
2000 11 30.82  24.58  27.70 
2000 12 30.48  24.40  27.43 
2001 02 30.14  24.39  27.26 
2001 03 31.17  24.57  27.87 
2001 04 31.54  25.15  28.34 
2001 05 32.05  25.41  28.73 
2001 06 31.32  24.25  27.78 
2001 07 32.63  24.96  28.79 
2001 09 31.93  24.57  28.25 
2001 10 30.74  24.23  27.48 
2001 11 30.46  24.34  27.40 
2001 12 30.26  24.39  27.32 
2002 01 30.19  25.06  27.62 
2002 02 30.23  24.93  27.58 
2002 03 31.11  25.15  28.13 
2002 04 32.11  24.91  28.51 
2002 05 32.49  25.30  28.89 
2002 06 32.32  25.04  28.68 
2002 07 32.59  25.05  28.82 
2002 08 32.06  24.31  28.18 
2002 09 31.47  24.32  27.89 
2002 10 31.17  24.29  27.73 
2002 11 30.85  24.37  27.61 
2002 12 31.73  24.91  28.32 
2003 01 31.23  25.14  28.18 
2003 02 30.96  25.23  28.09 
2003 03 31.57  24.83  28.20 
2003 04 31.99  25.30  28.64 
2003 05 31.77  25.34  28.55 
2003 06 31.39  24.94  28.16 
2003 07 31.36  24.54  27.95 
2003 08 31.81  25.17  28.49 
2003 09 31.52  24.76  28.14 
2003 10 30.48  24.25  27.36 
2003 11 30.72  24.77  27.74 
2003 12 30.32  24.41  27.36 
2004 01 29.96  25.11  27.53 
2004 02 29.75  24.90  27.32 
2004 03 30.76  24.96  27.86 
2004 04 31.72  25.36  28.54 
2004 05 31.26  25.09  28.17 
2004 06 31.94  24.73  28.33 
2004 07 30.66  24.13  27.39 
2004 08 31.70  24.71  28.20 
2004 09 30.93  23.90  27.41 
2004 10 31.35  24.45  27.90 
2004 11 31.07  24.46  27.76 
2004 12 30.35  24.53  27.44 
2005 01 29.49  24.39  26.93 
2005 02 30.56  25.29  27.92 
2005 03 30.88  25.29  28.08 
2005 04 31.98  25.33  28.65 
2005 05 32.03  25.11  28.57 
2005 06 32.08  24.96  28.52 
2005 07 31.84  24.42  28.13 
2005 08 31.48  24.85  28.16 
2005 09 31.60  24.71  28.15 
2005 10 30.95  24.66  27.80 
2006 02 30.46  25.08  27.77 
2006 03 30.89  24.83  27.86 
2006 04 31.43  24.45  27.94 
2006 05 31.25  24.88  28.06 
2006 06 30.68  24.58  27.63 
2006 07 32.05  25.29  28.67 
2006 08 31.81  24.56  28.18 
2006 09 30.68  24.39  27.53 
2006 10 30.47  24.57  27.52 
2006 11 31.48  24.71  28.09 
2006 12 30.90  24.81  27.85 
2007 01 30.01  24.60  27.30 
2007 02 29.73  24.31  27.02 
2007 03 31.28  25.07  28.17 
2007 04 31.60  25.22  28.41 
2007 05 31.72  25.18  28.45 
2007 06 31.19  24.79  27.99 
2007 07 31.52  24.30  27.91 
2007 08 31.63  24.45  28.04 
2007 09 30.68  24.44  27.56 
2007 10 30.76  24.58  27.67 
2007 11 29.61  24.17  26.89 
2007 12 31.05  24.57  27.81 
2008 01 30.95  24.26  27.60 
2008 02 29.29  24.37  26.83 
2008 03 30.70  24.12  27.41 
2008 04 31.56  24.48  28.02 
2008 05 31.78  24.68  28.23 
2008 06 31.56  24.36  27.96 
2008 07 31.10  24.15  27.62 
2008 08 31.64  24.50  28.07 
2008 09 31.64  24.63  28.13 
2008 10 30.85  24.52  27.68 
2008 11 31.19  24.68  27.93 
2008 12 30.74  24.72  27.73 
2009 01 29.67  24.26  26.96 
2009 02 29.90  24.54  27.22 
2009 03 31.23  24.35  27.79 
2009 04 32.38  25.43  28.90 
2009 05 32.43  25.45  28.94 
2009 06 32.71  25.46  29.08 
2009 07 31.58  24.93  28.25 
2009 08 32.52  25.05  28.78 
2009 09 32.08  25.32  28.70 
2009 10 31.10  24.71  27.90 
2009 11 30.94  24.95  27.94 
2009 12 30.59  24.95  27.77 
2010 01 29.97  24.68  27.32 
2010 02 31.11  25.61  28.36 
2010 03 32.09  25.82  28.96 
2010 04 32.14  25.71  28.92 
2010 05 32.59  25.75  29.17 
2010 06 31.73  25.17  28.45 
2010 07 31.51  24.57  28.04 
2010 08 31.74  24.84  28.29 
2010 09 31.34  24.56  27.95 
2010 10 31.69  24.73  28.21 
2010 11 31.19  24.38  27.78 
2010 12 30.66  24.03  27.34 
2011 01 29.94  24.15  27.04 
2011 02 29.59  24.12  26.85 
2011 03 30.31  24.16  27.23 
2011 04 31.33  25.01  28.17 
2011 05 31.80  25.24  28.52 
2011 06 31.51  25.13  28.32 
2011 07 31.54  25.02  28.28 
2011 08 31.67  24.81  28.24 
2011 09 31.67  24.77  28.22 
2011 10 31.43  24.99  28.21 
2011 11 31.16  24.93  28.04 
2011 12 30.35  24.63  27.49 
2012 01 30.72  24.80  27.75 
2012 02 30.42  24.42  27.42 
2012 03 30.86  24.94  27.90 
2012 04 31.21  24.75  27.98 
2012 05 32.07  25.44  28.75 
2012 06 32.23  25.10  28.66 
2012 07 31.16  24.60  27.88 
2012 08 32.02  24.91  28.46 
2012 09 31.44  24.81  28.12 
2012 10 31.09  24.79  27.94 
2012 11 31.23  24.58  27.90 
2012 12 30.93  25.28  28.10 
2013 01 29.93  25.01  27.47 
2013 02 30.75  25.20  27.97 
2013 03 30.95  25.70  28.32 
2013 04 31.53  25.25  28.39 
2013 05 31.60  25.25  28.42 
2013 06 32.24  25.46  28.85 
2013 07 31.44  24.56  28.00 
2013 08 31.26  24.60  27.93 
2013 09 31.16  24.62  27.89 
2013 10 30.52  24.49  27.50 
2013 11 30.75  24.63  27.68 
2013 12 30.45  24.69  27.57 
