| Jan. | Feb | Mar. | April | May | June | July | Aug. | Sep. | Oct. | Nov. | Dec. |
Year | 2007 | 2012 | 2010 | 2010 | 2010 | 2010 | 2011 | 2011 | 2008 | 2011 | 2009 | 2015 |
Max | 0.267 | 0.327 | 0.399 | 0.4106 | 0.39 | 0.42133 | 0.44742 | 0.392 | 0.3519 | 0.2636 | 0.2148 | 0.2383 |
Year | 2014 | 2011 | 2013 | 2014 | 2006 | 2009 | 2015 | 2013 | 2012 | 2013 | 2013 | 2009 |
Min | 0.216 | 0.244 | 0.285 | 0.3064 | 0.3165 | 0.35965 | 0.3722 | 0.352 | 0.2861 | 0.2153 | 0.178 | 0.1929 |