March, 2013 (prelim.) 1.14
February, 2013 1.10
January, 2013 1.11
December, 2012 0.92
November, 2012 0.79
October, 2012 0.75
September, 2012   0.78
August, 2012 0.82
July, 2012 0.86
June, 2012 0.93
May, 2012 1.05
April, 2012 1.10
March, 2012 1.12
February, 2012 1.01
January, 2012 0.96
December, 2011 0.85
November, 2011 0.83
October, 2011 0.74
September, 2011 0.71
August, 2011 0.80
July, 2011 0.85
June, 2011 0.94
May, 2011 0.97
April, 2011 0.98
March, 2011 0.95
February, 2011 0.87
January, 2011 0.85
December, 2010 0.90
November, 2010 0.97
October, 2010 0.98
September, 2010 1.03
August, 2010 1.17
July, 2010 1.23
June, 2010 1.18
May, 2010 1.13
April, 2010   1.13
March, 2010 1.21
February, 2010 1.23
January, 2010     1.23
December, 2009 1.07
November, 2009 1.06
October, 2009 1.09
September, 2009 1.17
August, 2009 1.06
July, 2009 1.06
June, 2009 0.80
May, 2009 0.73
April, 2009 0.65
March, 2009   0.56
February, 2009   0.49
January, 2009   0.47
December, 2008 0.86
November, 2008 0.97
October, 2008 0.96
September, 2008 0.70
August, 2008 0.81
July, 2008 0.83
June, 2008 0.81
May, 2008 0.78
April, 2008 0.82
March, 2008 0.87
February, 2008 0.92
January, 2008   0.89
December, 2007 0.85
November, 2007 0.82
October, 2007 0.80
September, 2007 0.79 |