HARRISBURG - Pennsylvania's casinos on Friday reported record revenue in 2015, after two down years as casinos sprout across the northeastern United States and competition for gambling dollars grows.

The Pennsylvania Gaming Control Board said the state's 12 casinos brought in $3.17 billion in gross revenue last year, a 3 percent increase over 2014 and a hair - $15 million - above the 2012 record.The casinos reporting increases included Lady Luck Casino in southwestern Pennsylvania with 11 percent in growth, Sands Casino in Bethlehem at 9 percent, Parx Casino in suburban Philadelphia at 7 percent and Valley Forge Casino, also in suburban Philadelphia, at 6 percent.