sentences:  Free admission programs are offered for Monterey County residents including "Shelf to Shore", with the county's free library system, and "Free to Learn", with local nonprofit organizations and Monterey–Salinas Transit.Additionally, the aquarium offers free admission to Monterey County residents during a weeklong event in December, which grew from almost 17,000 visitors in 1998 to 50,000 visitors in 2013.In 2014, the program was expanded to include neighboring Santa Cruz and San Benito counties.