CASINOS ON A ROLL
* An estimated 75 casinos will be operating in the U.S. by the end of 1994.
* Casinos in Atlantic City, N.J., paid $255.3 million in state and local taxes in 1992, and grossed $3.3 billion in revenues.
* 40,000 people are employed by the gambling industry in Atlantic City; 102,400 people work in Las Vegas casinos.
* Three mega-casinos opened in Las Vegas last year, costing $1.85 billion in construction costs.