(ABC 6 News) – Minnesota is just one of 13 states that does not allow some form of legalized sports betting.

Estimates show $400 million would be spent in Minnesota after a couple years following legalization of sports wagering.

— RELATED: KSTP/SurveyUSA poll: Minnesotans want sports betting, Social Security tax elimination —

About 10% of that could be collected in taxes, adding $40 million in revenue.

“Studies show that people who are in states that legalized are participating in sports wagering at equal levels to people in states who haven’t legalized,” said Senator Matt Klein (DFL). “People are doing it anyway.”

—: RELATED: Minnesota will try to legalize sports betting (again) —

The proposed effort, this time around, has supporters from both parties. The challenge, they say, is getting of of their opponents on board.