NYSE:BKH | Gross Margin | BLACK HILLS CORP /SD/

Complete source-backed gross margin history.

Available history
2009-12-31 to 2012-12-31
Data captured

Historical Gross Margin

DateGross Margin

Annual Gross Margin

DateGross Margin
2012-12-3165.32%
2011-12-3154.80%
2010-12-3153.52%
2009-12-3150.34%