Each year HHC's facilities provide about 225,000 admissions, one million emergency room visits and five million clinic visits to New Yorkers. HHC facilities treat nearly one-fifth of all general hospital discharges and more than one third of emergency room and hospital-based clinic visits in New York City.
What fraction of general hospital discharges receive treatment at HHC?
{'text': 'one-fifth', 'answer_start': 170}