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