When the airport was built, it originally had only 7 gates. It was designed to handle around 400,000 passengers a year, but the high increase of passengers in the last 15 years brought the airport to its maximum capacity. The airport has had two main expansions in the last decade or so. In its first phase (named AIES I), the airport grew from 7 boarding gates to 12, and later the second phase, AIES II, added 5 more gates bringing the total to 17. Along with new gates, new expanded passenger waiting areas were built. Even though all these expansions have been made, the airport once again has reached the peak of its capacity, handling over 2 million passengers in 2006.