sentence1: In 2012 , the airline carried 57,500 passengers per month to 15 domestic flights and 90,000 passengers on international routes ( about 1.77 million passengers per year ) .
sentence2: In 2012 , the airline carried 57,500 passengers to 15 international destinations and 90,000 passengers on domestic routes per month ( apx . 1.77 million passengers per year ) .