Try this http://www.iata.org/publications/economics/Pages/Air-Passenger-Monthly-Analysis.aspx
There is a 6% growth YTD in 2015.
But there was 5.9% growth in 2014, and 5.2% growth in 2013.
The 30 year average growth is 5.2%
So, where is this rapid growth? Would be nice to talk about rapid growth if the growth rate is at least 5% more than the 30 year average.