Sharks attacked 59 people worldwide in Miami , Florida , reports . Four people killed by sharks last year . `` We 're putting so many people in the water that humans are dictating the shark attack situation , '' he said . Economic downturn means fewer people hitting beaches , researcher says . Surfers account for 57 percent of shark kills .
Sharks attacked 59 people worldwide in Miami , Florida , reports . Four people killed by sharks last year . Economic downturn means fewer people hitting beaches , researcher says . Surfers account for 57 percent of shark kills .