According to available FBI statistics, not as often as men.
2008 numbers show 6,770 men robbed banks while 427 committed the crime.
In 2006, 8,329 men robbed banks while 553 women robbed financial institutions.
Friday morning, around 11 a.m. Saint Louis County Police say a woman robbed the National City Bank branch in Town and Country. Police say the woman walked in, announced the robbery, and displayed both a knife and a gun.
No one was hurt. The woman took an undisclosed amount of cash and ran north on Mason Road.
You can see surveillance photos here.