Gambling revenue up 6 percent

U.S. casinos registered a 6 percent increase in gambling revenue to $23.8 billion through August, the American Gaming Association said.

All but four states reported higher year-to-date revenue, according to a statement today from the organization. Delaware, Indiana, Missouri and New Jersey registered declines, while Nevada, the biggest U.S. casino market, posted a 2.4 percent increase through July, the group said.

American Gaming Association data exclude results from casinos owned by American Indian tribes. The data represent year-to-date gambling through August for most of the states with casinos. Some are year to date through July.