Casey’s General Stores Inc. reported earnings per share of $4.62 for the fiscal year that ended April 30, up from $3.26 per share a year ago. “Fiscal 2015 was a tremendous year for Casey’s,” Chairman and CEO Robert Myers said in a release. Fourth-quarter earnings were $1.05 per share, up from 54 cents in the year-ago period. The amount of fuel sold was up 9.1 percent to 1.8 billion gallons, with a same-store margin of 19.3 cents, 4 cents above the company’s target. Sales of groceries and other merchandise increased 13.4 percent for the year to $1.8 billion, and gross profit dollars rose 13.3 percent to $575.5 million. Prepared food and fountain sales were up 12.4 percent for the year, with an average margin of 59.7 percent, a tad off the target of 60 percent. Casey’s said operating expenses rose 12 percent to $960.4 million, driven primarily by store acquisitions and new construction. The company opened 45 new stores and acquired 36. It completed 27 replacements and 27 major remodels.