Year High Low
2017 48.85 31.4
2016 47.95 32
2015 93.3 31
2014 48.6 15.3
2013 52.1 12.5
2012 48.2 13.4
2011 43.85 20
2010 61.25 26.6
2009 45.75 12.3
2008 156.05 22.85
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