The
IPS is a survey of passengers entering or leaving
the UK by air, sea or the Channel Tunnel. This report
exclusively used outbound to Western Europe leisure
air passenger traffic data from the IPS. Quarterly
traffic and price data was taken for the period from
2003 Q2 to 2006 Q2. Traffic figures reflect the
estimated number of passengers on a particular
airport-pair route during the given quarter, while
average price reflects the estimated average price
paid (in GBP)