The average distance flown per passenger departing within Europe 5 years ago was 1,000 Km. Today, the figure has decreased by 20%. By how many percent has the total distance travelled by the flights departing in Europe change today? (In 1,000s of millions passengers)
Over the last 5 years, by how many passengers did the increase in European traffic exceed the increase in USA passenger traffic? (in 1,000s of millones passengers)
If the increase in global passenger air traffic continues at the current rate, approximately how many annual air passenger billion will there be in 5 years time? (in 1,000s of millones passengers)