1971 01 99.99 -99.99  14.50 
1971 02 99.99 -99.99  15.10 
1971 03 99.99 -99.99  16.60 
1971 04 99.99 -99.99  16.90 
1971 05 99.99 -99.99  18.29 
1971 06 99.99 -99.99  17.20 
1971 07 99.99 -99.99  17.20 
1971 08 99.99 -99.99  17.00 
1971 09 99.99 -99.99  17.00 
1971 10 99.99 -99.99  17.10 
1971 11 99.99 -99.99  14.90 
1971 12 99.99 -99.99  14.20 
1972 01 99.99 -99.99  14.80 
1972 02 99.99 -99.99  14.80 
1972 03 99.99 -99.99  16.79 
1972 04 99.99 -99.99  18.20 
1972 05 99.99 -99.99  18.70 
1972 06 99.99 -99.99  18.00 
1972 07 99.99 -99.99  17.40 
1972 08 99.99 -99.99  17.00 
1972 09 99.99 -99.99  17.40 
1972 10 99.99 -99.99  17.20 
1972 11 99.99 -99.99  17.10 
1972 12 99.99 -99.99  14.10 
1973 01 99.99 -99.99  14.60 
1973 02 99.99 -99.99  15.60 
1973 03 99.99 -99.99  19.29 
1973 04 99.99 -99.99  19.70 
1973 05 99.99 -99.99  18.79 
1973 06 99.99 -99.99  17.79 
1973 07 99.99 -99.99  17.70 
1973 08 99.99 -99.99  17.10 
1973 09 99.99 -99.99  17.70 
1973 10 99.99 -99.99  16.90 
1973 11 99.99 -99.99  16.00 
1973 12 99.99 -99.99  12.60 
1974 01 99.99 -99.99  14.60 
1974 02 99.99 -99.99  14.40 
1974 03 99.99 -99.99  16.70 
1974 04 99.99 -99.99  18.10 
1974 05 99.99 -99.99  18.60 
1974 06 99.99 -99.99  17.40 
1974 07 99.99 -99.99  16.79 
1974 08 99.99 -99.99  17.29 
1974 09 99.99 -99.99  17.10 
1974 10 99.99 -99.99  15.80 
1974 11 99.99 -99.99  13.90 
1974 12 99.99 -99.99  15.10 
1975 01 99.99 -99.99  14.30 
1975 02 99.99 -99.99  15.80 
1975 03 99.99 -99.99  18.10 
1975 04 99.99 -99.99  14.80 
1975 05 99.99 -99.99  18.20 
1975 06 99.99 -99.99  17.29 
1975 07 99.99 -99.99  16.70 
1975 08 99.99 -99.99  17.50 
1975 09 99.99 -99.99  16.79 
1975 10 99.99 -99.99  16.60 
1975 11 99.99 -99.99  15.10 
1975 12 99.99 -99.99  13.20 
1976 01 99.99 -99.99  13.50 
1976 02 99.99 -99.99  13.90 
1976 03 99.99 -99.99  17.40 
1976 04 99.99 -99.99  17.79 
1976 05 99.99 -99.99  17.79 
1976 06 99.99 -99.99  17.20 
1976 07 99.99 -99.99  17.10 
1976 08 99.99 -99.99  17.29 
1976 09 99.99 -99.99  17.20 
1976 10 99.99 -99.99  16.79 
1976 11 99.99 -99.99  15.20 
1976 12 99.99 -99.99  14.90 
1977 01 99.99 -99.99  13.60 
1977 02 99.99 -99.99  15.80 
1977 03 99.99 -99.99  18.40 
1977 04 99.99 -99.99  17.50 
1977 05 99.99 -99.99  17.70 
1977 06 99.99 -99.99  17.60 
1977 07 99.99 -99.99  17.50 
1977 08 99.99 -99.99  18.00 
1977 09 99.99 -99.99  18.00 
1977 10 99.99 -99.99  17.20 
1977 11 99.99 -99.99  16.10 
1977 12 99.99 -99.99  15.10 
1978 01 99.99 -99.99  14.10 
1978 02 99.99 -99.99  15.10 
1978 03 99.99 -99.99  17.20 
1978 04 99.99 -99.99  20.90 
1978 05 99.99 -99.99  20.70 
1978 06 99.99 -99.99  18.79 
1978 07 99.99 -99.99  18.00 
1978 08 99.99 -99.99  17.90 
1978 09 99.99 -99.99  17.90 
1978 10 99.99 -99.99  16.70 
1978 11 99.99 -99.99  16.40 
1978 12 99.99 -99.99  15.10 
1979 01 99.99 -99.99  14.90 
1979 02 99.99 -99.99  16.00 
1979 03 99.99 -99.99  18.20 
1979 04 99.99 -99.99  19.10 
1979 05 99.99 -99.99  18.29 
1979 06 99.99 -99.99  17.70 
1979 07 99.99 -99.99  18.00 
1979 08 99.99 -99.99  18.20 
1979 09 99.99 -99.99  17.20 
1979 10 99.99 -99.99  17.70 
1979 11 99.99 -99.99  15.70 
1979 12 99.99 -99.99  15.00 
1980 01 99.99 -99.99  16.79 
1980 02 99.99 -99.99  15.90 
1980 03 99.99 -99.99  18.29 
1980 04 99.99 -99.99  18.60 
1980 05 99.99 -99.99  19.29 
1980 06 99.99 -99.99  17.79 
1980 07 99.99 -99.99  18.40 
1980 08 99.99 -99.99  17.29 
1980 09 99.99 -99.99  17.79 
1980 10 99.99 -99.99  18.10 
1980 11 99.99 -99.99  15.60 
1980 12 99.99 -99.99  14.10 
1981 01 99.99 -99.99  14.00 
1981 02 24.36   7.60  15.98 
1987 03 25.83  10.64  18.23 
1987 05 25.98  10.44  18.20 
1987 09 24.75  14.46  19.60 
1987 11 24.38  10.30  17.34 
2005 01 22.88   5.15  14.01 
2006 02 25.65   7.55  16.60 
2006 03 26.70   8.43  17.56 
2006 04 27.00  10.06  18.53 
2006 07 24.50  13.82  19.16 
2006 08 24.95  13.91  19.43 
2006 09 24.59  13.86  19.22 
2006 10 25.44  14.33  19.88 
2007 02 26.32   8.22  17.27 
2007 10 22.37  14.02  18.19 
2008 01 22.87   6.86  14.86 
2008 05 26.51  13.03  19.77 
2008 10 21.50  13.37  17.43 
2008 12 22.59   8.77  15.68 
2009 01 23.16   7.39  15.27 
2009 02 23.36   7.02  15.19 
2009 03 25.80   7.25  16.52 
2009 04 27.56  11.26  19.41 
2009 12 23.94   9.16  16.54 
2010 01 23.00   8.54  15.77 
2010 07 23.61  14.71  19.16 
2010 08 24.41  15.17  19.79 
2010 12 22.73   6.05  14.39 
2011 03 25.18   9.22  17.20 
2011 07 24.04  14.32  19.18 
2011 10 21.55  13.36  17.45 
2011 11 23.27  10.45  16.86 
2011 12 22.57   7.91  15.24 
2012 01 23.27   8.68  15.97 
2012 02 24.40   9.91  17.15 
2012 04 25.38  10.61  17.99 
2012 06 24.16  14.17  19.16 
2012 07 23.19  12.44  17.81 
2012 08 24.32  14.02  19.17 
2012 10 23.47  12.92  18.19 
2012 12 23.81   6.77  15.29 
2013 02 26.27   8.55  17.41 
2013 03 25.99   8.88  17.43 
2013 04 27.88  12.26  20.07 
2013 05 25.69  13.23  19.45 
2013 06 24.04  14.27  19.15 
2013 07 24.22  13.37  18.79 
2013 08 24.40  13.53  18.96 
2013 09 23.73  14.89  19.31 
2013 11 22.00  13.05  17.52 
