Simplify the following text for a Grade 6 native English-speaking person.
Original: In 2009 , the park hosted approximately 9.59 million guests , ranking it the fifth-most visited amusement park in the United States and eighth-most visited in the world .
Simplified: In 2009 , the park had around 9.59 million guests , ranking it the fifth-most visited amusement park in the United States and eighth-most visited in the world .