The U.S. Department of Transportation publishes the number of international passengers that come through the U.S. airports. The busiest airports for international travel are in New York (JFK), Miami (MIA), Los Angeles (LAX), Newark (EWR), and Chicago (ORD). The most popular destinations are London (LHR), Toronto (YYZ), Tokyo(NR), Frankfurt (FRA), and Paris (CDG).

Consider the data in the following table and answer these questions:

1. How would you estimate the passenger volume for the coming year?

2. What is the role of trends and seasonality?

3. What other variables do you expect to influence the number of international travelers?

JFK Airport in New York, the airport with the most international travelers in the United States

Year	Month	Passengers	Year	Month	Passengers
2012	January	13,441,718	2013	January	13,970,077
2012	February	11,942,221	2013	February	12,230,963
2012	March	14,670,996	2013	March	15,447,435
2012	April	14,286,844	2013	April	14,507,038
2012	May	14,537,314	2013	May	15,516,063
2012	June	15,906,101	2013	June	16,487,702
2012	July	17,362,586	2013	July	17,954,910
2012	August	16,969,528	2013	August	17,786,357
2012	September	14,010,920	2013	September	14,408,817
2012	October	13,599,030	2013	October	14,374,254
2012	November	12,919,746	2013	November	13,258,104
2012	December	14,289,105	2013	December	15,182,616