Tulsa_Oklahoma was third in the nation last year in gambling revenue with nearly $2.5 billion.
A study by the casino city's Indian gaming industry report found California is first and Connecticut second in money generated by gambling in 2007.
Economist Alan Meister conducted the report and says Oklahoma is the fastest growing large Indian gambling state. Oklahoma had 31 tribes operating 101 gambling facilities in 2007. The number of gambling machines in the state increased by 11.7%.
Nationwide there was a 5 percent increase in Indian gambling revenue in 2007.
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