1983 11 99.99 -99.99  13.50 
1983 12 99.99 -99.99  16.20 
1984 01 99.99 -99.99  16.70 
1984 02 99.99 -99.99  17.00 
1984 03 99.99 -99.99  15.60 
1984 04 99.99 -99.99  14.80 
1984 05 99.99 -99.99  13.10 
1984 06 99.99 -99.99  11.60 
1984 07 99.99 -99.99  10.30 
1984 08 99.99 -99.99  10.40 
1984 09 99.99 -99.99  11.20 
1984 10 99.99 -99.99  12.60 
1984 11 99.99 -99.99  14.70 
1984 12 99.99 -99.99  14.10 
1985 01 99.99 -99.99  16.10 
1985 02 99.99 -99.99  17.10 
1985 03 99.99 -99.99  17.00 
1985 04 99.99 -99.99  15.20 
1985 06 99.99 -99.99  10.60 
1985 07 99.99 -99.99  10.20 
1985 08 99.99 -99.99  10.70 
1985 09 99.99 -99.99  11.60 
1985 10 99.99 -99.99  12.90 
1985 11 99.99 -99.99  14.30 
1985 12 99.99 -99.99  16.20 
1986 01 99.99 -99.99  16.79 
1986 02 99.99 -99.99  17.00 
1986 03 99.99 -99.99  17.10 
1986 04 99.99 -99.99  15.10 
1986 05 99.99 -99.99  13.10 
1986 06 99.99 -99.99  10.30 
1986 07 99.99 -99.99  10.00 
1986 08 99.99 -99.99  10.30 
1986 09 99.99 -99.99  11.20 
1986 10 99.99 -99.99  12.40 
1986 12 99.99 -99.99  15.30 
1987 02 99.99 -99.99  16.40 
1987 03 99.99 -99.99  15.20 
1987 04 99.99 -99.99  15.00 
1987 05 99.99 -99.99  13.40 
1987 06 99.99 -99.99  11.50 
1987 07 99.99 -99.99  10.40 
1987 08 99.99 -99.99  10.70 
1987 09 99.99 -99.99  12.10 
1987 10 99.99 -99.99  12.90 
1987 11 99.99 -99.99  14.90 
1987 12 99.99 -99.99  15.20 
1988 01 99.99 -99.99  18.50 
1988 02 99.99 -99.99  17.50 
1988 03 99.99 -99.99  17.29 
1988 04 99.99 -99.99  16.29 
1988 05 99.99 -99.99  14.60 
1988 06 99.99 -99.99  12.80 
1988 07 99.99 -99.99  11.70 
1988 08 99.99 -99.99  11.40 
1988 09 99.99 -99.99  12.60 
1988 10 99.99 -99.99  12.80 
1988 11 99.99 -99.99  14.40 
1988 12 99.99 -99.99  16.40 
1989 01 99.99 -99.99  17.79 
1989 02 99.99 -99.99  18.50 
1989 03 99.99 -99.99  17.60 
1989 04 99.99 -99.99  16.60 
1989 05 99.99 -99.99  13.80 
1989 06 99.99 -99.99  11.20 
1989 07 99.99 -99.99  10.70 
1989 08 99.99 -99.99  10.30 
1989 09 99.99 -99.99  11.70 
1989 10 99.99 -99.99  12.50 
1989 11 99.99 -99.99  14.70 
1989 12 99.99 -99.99  16.29 
1990 01 99.99 -99.99  17.50 
1990 02 99.99 -99.99  17.00 
1990 04 99.99 -99.99  16.00 
1990 05 99.99 -99.99  13.30 
1990 06 99.99 -99.99  11.80 
1990 07 99.99 -99.99  10.70 
1990 08 99.99 -99.99  10.00 
1990 09 99.99 -99.99  11.40 
1990 10 99.99 -99.99  13.00 
1990 11 99.99 -99.99  14.70 
1990 12 99.99 -99.99  16.20 
1991 01 99.99 -99.99  17.40 
1991 02 99.99 -99.99  16.90 
1991 03 99.99 -99.99  16.40 
1991 04 99.99 -99.99  14.60 
1991 05 99.99 -99.99  13.20 
1991 06 99.99 -99.99  12.70 
1991 07 99.99 -99.99  10.70 
1991 08 99.99 -99.99  10.20 
1991 09 99.99 -99.99  11.20 
1991 10 99.99 -99.99  12.80 
1991 11 99.99 -99.99  13.90 
1991 12 99.99 -99.99  15.70 
1992 01 99.99 -99.99  16.00 
1992 02 99.99 -99.99  16.79 
1992 03 99.99 -99.99  17.29 
1992 04 99.99 -99.99  15.20 
1992 05 99.99 -99.99  13.50 
1992 06 99.99 -99.99  10.50 
1992 07 99.99 -99.99  10.30 
1992 08 99.99 -99.99   9.89 
1992 09 99.99 -99.99  10.40 
1992 10 99.99 -99.99  12.70 
2001 11 16.85  11.24  14.04 
2001 12 18.17  11.93  15.05 
2002 01 19.79  14.18  16.98 
2002 02 20.59  14.50  17.54 
2002 03 20.61  14.06  17.33 
2002 04 18.99  13.54  16.26 
2002 05 16.59  10.95  13.77 
2002 06 14.50   9.82  12.16 
2002 07 13.69   9.05  11.37 
2002 08 13.96   8.26  11.11 
2002 09 14.46   9.01  11.73 
2002 10 15.71  10.04  12.87 
2002 11 17.51  12.10  14.80 
2002 12 19.92  13.56  16.74 
2003 01 21.65  15.19  18.42 
2003 02 22.34  16.04  19.19 
2003 03 20.72  13.76  17.24 
2003 04 18.28  13.05  15.66 
2003 05 16.68  12.28  14.48 
2003 06 14.79  10.31  12.55 
2003 07 13.35   8.58  10.96 
2003 08 13.33   8.39  10.86 
2003 09 13.27   7.84  10.55 
2003 10 14.45   8.93  11.69 
2003 11 16.98  11.08  14.03 
2003 12 19.87  13.76  16.82 
2004 01 19.33  13.52  16.42 
2004 02 20.72  15.55  18.13 
2004 03 20.00  14.08  17.04 
2004 04 17.90  13.00  15.45 
2004 05 14.98  10.06  12.52 
2004 06 13.63   9.37  11.50 
2004 07 12.49   7.75  10.12 
2004 08 13.17   7.89  10.53 
2004 09 14.66   9.20  11.93 
2004 10 16.25  10.16  13.20 
2004 11 17.71  11.87  14.79 
2004 12 18.81  13.24  16.02 
2005 01 20.55  14.58  17.56 
2005 02 20.61  14.31  17.46 
2005 03 19.41  13.14  16.27 
2005 04 18.78  13.46  16.12 
2005 05 15.66  10.68  13.17 
2005 06 14.22   9.74  11.98 
2005 07 13.57   9.22  11.39 
2005 08 13.69   8.43  11.06 
2005 09 14.98   9.22  12.10 
2005 10 16.03  11.19  13.61 
2005 11 17.93  12.63  15.28 
2005 12 19.53  13.74  16.63 
2006 01 20.44  14.78  17.61 
2006 02 20.91  14.91  17.91 
2006 03 20.35  14.59  17.47 
2006 04 16.41  10.36  13.38 
2006 05 14.40   9.01  11.70 
2006 06 13.03   7.62  10.32 
2006 07 12.75   8.21  10.48 
2006 08 13.65   8.47  11.06 
2006 09 14.57   8.96  11.76 
2006 10 16.04   9.70  12.87 
2006 11 16.79  10.73  13.76 
2006 12 18.79  12.74  15.77 
2007 01 20.63  14.98  17.80 
2007 02 21.80  16.79  19.29 
2007 03 21.03  14.29  17.66 
2007 04 18.83  13.32  16.07 
2007 05 17.07  12.39  14.73 
2007 06 13.06   7.81  10.43 
2007 07 12.88   8.03  10.45 
2007 08 13.68   9.14  11.41 
2007 09 14.78   9.41  12.09 
2007 10 15.43   9.99  12.71 
2007 11 17.71  12.56  15.14 
2007 12 20.27  14.32  17.29 
2008 01 21.53  15.62  18.57 
2008 02 19.75  14.25  17.00 
2008 03 20.74  14.58  17.66 
2008 04 17.81  12.37  15.09 
2008 05 15.95  10.75  13.35 
2008 06 14.79   9.97  12.38 
2008 07 12.68   7.55  10.11 
2008 08 13.09   7.25  10.17 
2008 09 14.26   8.72  11.49 
2008 10 16.06  10.29  13.17 
2008 11 16.69  11.23  13.96 
2008 12 18.20  12.11  15.16 
2009 01 20.58  14.08  17.33 
2009 02 20.16  14.50  17.33 
2009 03 19.45  14.06  16.75 
2009 04 17.57  12.38  14.97 
2009 05 16.01  10.91  13.46 
2009 06 13.97   9.53  11.75 
2009 07 13.30   8.39  10.85 
2009 10 15.75   9.54  12.64 
2009 11 18.83  13.03  15.93 
2009 12 19.89  13.57  16.73 
2010 01 21.80  15.12  18.45 
2010 02 21.53  16.18  18.85 
2010 03 21.12  15.34  18.23 
2010 04 18.85  13.81  16.33 
2010 05 15.89  10.71  13.30 
2010 06 14.00   8.71  11.35 
2010 07 13.72   8.29  11.00 
2010 08 13.31   8.33  10.82 
2010 09 13.93   8.97  11.45 
2010 10 16.32  10.61  13.46 
2010 11 17.45  11.99  14.72 
2010 12 18.81  12.69  15.75 
2011 01 20.36  15.08  17.72 
2011 02 20.79  14.73  17.76 
2011 03 19.18  14.01  16.59 
2011 04 18.03  12.58  15.30 
2011 05 14.99   9.51  12.25 
2011 06 14.10   8.92  11.51 
2011 07 12.67   8.21  10.44 
2011 08 13.95   9.93  11.94 
2011 09 15.20   9.34  12.27 
2011 10 16.23  10.02  13.12 
2011 11 18.24  12.13  15.18 
2011 12 19.43  13.71  16.57 
2012 01 21.93  15.59  18.76 
2012 02 21.54  15.68  18.61 
2012 03 20.06  14.27  17.16 
2012 04 18.64  13.28  15.95 
2012 05 16.11  10.69  13.40 
2012 06 13.71   8.93  11.32 
2012 07 13.48   8.13  10.80 
2012 08 13.38   8.14  10.76 
2012 09 14.71   9.27  11.99 
2012 10 15.86   9.64  12.75 
2012 11 18.26  12.24  15.25 
2012 12 20.00  13.29  16.64 
2013 01 21.29  14.43  17.86 
2013 02 21.82  16.39  19.10 
2013 03 22.13  15.52  18.82 
2013 04 18.21  12.29  15.25 
2013 05 16.23  10.41  13.32 
2013 06 13.94   9.70  11.82 
2013 07 13.97   9.30  11.63 
2013 08 13.50   8.72  11.11 
2013 09 14.91  10.48  12.69 
2013 10 15.68  10.20  12.94 
2013 11 18.28  10.97  14.62 
2013 12 18.87  12.93  15.90 
2014 01 20.77  14.29  17.53 
2014 02 22.18  15.72  18.95 
2014 03 21.05  15.45  18.25 
2014 04 18.40  12.61  15.50 
2014 05 16.68  11.45  14.06 
